{"id":12145,"date":"2011-05-25T07:01:04","date_gmt":"2011-05-25T07:01:04","guid":{"rendered":"https:\/\/chanhkien.org\/?p=12145"},"modified":"2025-05-12T10:27:43","modified_gmt":"2025-05-12T03:27:43","slug":"doi-mat-cua-nhung-dua-tre-noi-len-dieu-gi","status":"publish","type":"post","link":"https:\/\/chanhkien.org\/2011\/05\/doi-mat-cua-nhung-dua-tre-noi-len-dieu-gi.html","title":{"rendered":"\u0110\u00f4i m\u1eaft c\u1ee7a nh\u1eefng \u0111\u1ee9a tr\u1ebb n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec?"},"content":{"rendered":"<p><strong>[ChanhKien.org]<\/strong><\/p>\n<p><a href=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/CA2220DE-6161-4FF0-AA15-20DAB41EDD17.png\"><img decoding=\"async\" class=\"aligncenter  wp-image-29852\" src=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/CA2220DE-6161-4FF0-AA15-20DAB41EDD17-240x300.png\" alt=\"\" width=\"354\" height=\"443\" srcset=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/CA2220DE-6161-4FF0-AA15-20DAB41EDD17-240x300.png 240w, https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/CA2220DE-6161-4FF0-AA15-20DAB41EDD17-768x960.png 768w, https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/CA2220DE-6161-4FF0-AA15-20DAB41EDD17-819x1024.png 819w, https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/CA2220DE-6161-4FF0-AA15-20DAB41EDD17.png 1328w\" sizes=\"(max-width: 354px) 100vw, 354px\" \/><\/a><\/p>\n<p>Ai c\u0169ng th\u00edch nh\u00ecn khu\u00f4n m\u1eb7t, \u0111\u00f4i m\u1eaft v\u00e0 \u0111\u1ed9ng t\u00e1c c\u1ee7a nh\u1eefng \u0111\u1ee9a tr\u1ebb, b\u1edfi v\u00ec t\u1eeb \u0111\u00f3 ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 th\u1ea5y s\u1ef1 tinh khi\u1ebft trong nh\u00e2n t\u00ednh m\u00e0 con ng\u01b0\u1eddi ch\u00fang ta ao \u01b0\u1edbc. V\u00e0 r\u1ed3i, th\u1ebf gi\u1edbi trong m\u1eaft nh\u1eefng \u0111\u1ee9a tr\u1ebb l\u00e0 nh\u01b0 th\u1ebf n\u00e0o v\u00e0 ch\u00fang nh\u00ecn nh\u1eadn m\u1ecdi vi\u1ec7c ra sao v\u1edbi s\u1ef1 trong s\u00e1ng thu\u1ea7n khi\u1ebft?<\/p>\n<p>M\u1ed9t b\u00e0i vi\u1ebft v\u1ec1 nh\u1eefng th\u00ed nghi\u1ec7m th\u00fa v\u1ecb \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1edfi H\u00e0n L\u00e2m v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p c\u1ee7a \u00f4ng t\u1ea1i \u0110\u1ea1i h\u1ecdc Yale \u0111\u00e3 xu\u1ea5t hi\u1ec7n tr\u00ean t\u1eadp san T\u1ef1 nhi\u00ean Anh qu\u1ed1c (<em>British Nature<\/em>) v\u00e0o ng\u00e0y 22 th\u00e1ng 11 n\u0103m 2007. H\u1ecd \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m v\u1edbi nh\u1eefng \u0111\u1ee9a tr\u1ebb t\u1eeb 6-10 th\u00e1ng tu\u1ed5i. Trong t\u1ea5t c\u1ea3 c\u00e1c th\u00ed nghi\u1ec7m, nh\u1eefng \u0111\u1ee9a tr\u1ebb ng\u1ed3i tr\u00ean \u0111\u00f9i cha m\u1eb9 ch\u00fang, nh\u01b0ng cha m\u1eb9 ch\u00fang \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u kh\u00f4ng bi\u1ec3u l\u1ed9 b\u1ea5t c\u1ee9 ph\u1ea3n \u1ee9ng n\u00e0o c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed1i v\u1edbi nh\u1eefng m\u00e0n tr\u00ecnh di\u1ec5n.<\/p>\n<p>Trong th\u00ed nghi\u1ec7m \u0111\u1ea7u ti\u00ean, H\u00e0n L\u00e2m v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p \u0111\u00e3 cho nh\u1eefng \u0111\u1ee9a tr\u1ebb xem m\u1ed9t ng\u01b0\u1eddi g\u1ed7. H\u1ecd g\u1eafn hai con m\u1eaft l\u1edbn l\u00ean \u0111\u00f3 v\u00e0 bi\u1ec3u th\u1ecb r\u1eb1ng anh ta \u0111ang c\u1ed1 g\u1eafng leo l\u00ean m\u1ed9t ng\u1ecdn n\u00fai. Anh ta c\u1ed1 g\u1eafng leo l\u00ean ng\u1ecdn n\u00fai m\u1ed9t v\u00e0i l\u1ea7n, do \u0111\u00f3 nh\u1eefng \u0111\u1ee9a tr\u1ebb s\u1ebd hi\u1ec3u \u0111\u01b0\u1ee3c \u00fd \u0111\u1ecbnh c\u1ee7a ng\u01b0\u1eddi leo n\u00fai.<\/p>\n<p>Trong th\u00ed nghi\u1ec7m th\u1ee9 hai, nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u01b0\u1ee3c cho xem ng\u01b0\u1eddi leo n\u00fai ti\u1ebfp t\u1ee5c n\u1ed7 l\u1ef1c c\u1ee7a m\u00ecnh, v\u1edbi hai ng\u01b0\u1eddi kh\u00e1c xu\u1ea5t hi\u1ec7n, m\u1ed9t ng\u01b0\u1eddi \u0111\u1ea9y anh ta l\u00ean \u0111\u1ec9nh v\u00e0 ng\u01b0\u1eddi kia \u0111\u1ea9y anh ta xu\u1ed1ng n\u00fai m\u1ed9t c\u00e1ch \u00e1c \u00fd.<\/p>\n<p>Sau khi xem xong, nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch l\u1ef1a ch\u1ecdn m\u1ed9t trong hai ng\u01b0\u1eddi. Kho\u1ea3ng 80% nh\u1eefng \u0111\u1ee9a tr\u1ebb c\u1ed1 g\u1eafng ch\u1ea1m v\u00e0o ng\u01b0\u1eddi \u0111\u00e3 gi\u00fap \u0111\u1ee1 ng\u01b0\u1eddi leo n\u00fai. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u n\u00f3i r\u1eb1ng \u0111\u00e2y l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u r\u00f5 r\u1ec7t cho th\u1ea5y nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u1ed3ng t\u00ecnh v\u1edbi h\u00e0nh \u0111\u1ed9ng c\u1ee7a anh ta.<\/p>\n<p>Nh\u1eefng th\u00ed nghi\u1ec7m n\u00e0y c\u00f3 t\u1ea7m quan tr\u1ecdng r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi c\u1ea3 th\u1ebf gi\u1edbi. Nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u00e3 th\u1ea5y \u0111i\u1ec1u g\u00ec? T\u1ea1i sao ch\u00fang \u1ee7ng h\u1ed9 ch\u00e0ng trai t\u1ed1t b\u1ee5ng v\u00e0 ch\u00fang d\u00f9ng \u0111i\u1ec1u g\u00ec \u0111\u1ec3 ph\u00e1n x\u00e9t? Nh\u01b0ng \u0111i\u1ec1u n\u00e0y th\u1ef1c s\u1ef1 l\u00e0 \u0111\u1ed9ng l\u1ef1c nguy\u00ean th\u1ee7y nh\u1ea5t \u0111\u1ed1i v\u1edbi n\u1ec1n \u0111\u1ea1o \u0111\u1ee9c nh\u00e2n lo\u1ea1i.<\/p>\n<p>C\u00f3 l\u1ebd s\u1ef1 th\u01a1 ng\u00e2y c\u1ee7a nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u00e3 cho ch\u00fang th\u1ea5y m\u1ed9t th\u1ebf gi\u1edbi th\u1ef1c s\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi th\u1ebf gi\u1edbi tr\u1ea7n t\u1ee5c c\u1ee7a ch\u00fang ta. Trong gi\u1edbi tu luy\u1ec7n, ng\u01b0\u1eddi ta cho r\u1eb1ng c\u00f3 hai lo\u1ea1i v\u1eadt ch\u1ea5t \u1edf kh\u00f4ng gian kh\u00e1c m\u00e0 m\u1eaft ng\u01b0\u1eddi nh\u00ecn kh\u00f4ng th\u1ea5y, \u0111\u00f3 l\u00e0 v\u1eadt ch\u1ea5t m\u00e0u tr\u1eafng (\u0111\u1ee9c) v\u00e0 v\u1eadt ch\u1ea5t m\u00e0u \u0111en (nghi\u1ec7p); ch\u00fang t\u0103ng hay gi\u1ea3m l\u00e0 t\u00f9y thu\u1ed9c v\u00e0o h\u00e0nh vi c\u1ee7a con ng\u01b0\u1eddi. T\u1ea5t nhi\u00ean, l\u00e0m \u0111i\u1ec1u x\u1ea5u s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c v\u1eadt ch\u1ea5t m\u00e0u \u0111en, c\u00f2n l\u00e0m \u0111i\u1ec1u t\u1ed1t s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c v\u1eadt ch\u1ea5t m\u00e0u tr\u1eafng.<\/p>\n<p>C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 cho th\u1ea5y tr\u1ebb em d\u01b0\u1edbi 6 tu\u1ed5i \u00edt b\u1ecb \u00f4 nhi\u1ec5m b\u1edfi x\u00e3 h\u1ed9i nh\u00e2n lo\u1ea1i v\u00e0 c\u00f3 th\u1ec3 b\u00e0o tr\u00ec s\u1ef1 h\u1ed3n nhi\u00ean v\u1ed1n c\u00f3 c\u1ee7a ch\u00fang, do \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 th\u1ea5y nh\u1eefng \u0111i\u1ec1u m\u00e0 ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng kh\u00f4ng th\u1ea5y \u0111\u01b0\u1ee3c.<\/p>\n<p>L\u1ea5y v\u00ed d\u1ee5, khi nh\u1eefng \u0111\u1ee9a tr\u1ebb ch\u1ecdn \u0111\u1ed3 ch\u01a1i, ch\u00fang th\u01b0\u1eddng ch\u1ecdn v\u1eadt c\u00f3 m\u00e0u s\u1eafc s\u1eb7c s\u1ee1 v\u00e0 t\u01b0\u01a1i s\u00e1ng. V\u1eady th\u00ec n\u1ebfu \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn, nh\u1eefng \u0111\u1ee9a tr\u1ebb s\u1ebd quy\u1ebft \u0111\u1ecbnh nh\u01b0 th\u1ebf n\u00e0o gi\u1eefa \u0111\u1ee9c m\u00e0u tr\u1eafng v\u00e0 nghi\u1ec7p m\u00e0u \u0111en?<\/p>\n<p>Ti\u1ebfp theo, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ec3 ng\u01b0\u1eddi leo n\u00fai l\u1ea7n l\u01b0\u1ee3t \u0111\u1ebfn g\u1ea7n hai ng\u01b0\u1eddi n\u00e0y, ng\u01b0\u1eddi gi\u00fap \u0111\u1ee1 v\u00e0 ng\u01b0\u1eddi ng\u0103n c\u1ea3n, \u0111\u1ec3 xem nh\u1eefng \u0111\u1ee9a tr\u1ebb s\u1ebd ph\u1ea3n \u1ee9ng nh\u01b0 th\u1ebf n\u00e0o. C\u00e1c th\u00ed nghi\u1ec7m cho th\u1ea5y khi ng\u01b0\u1eddi leo n\u00fai t\u1edbi g\u1ea7n ng\u01b0\u1eddi \u0111\u00e3 ng\u0103n c\u1ea3n n\u1ed7 l\u1ef1c c\u1ee7a anh ta, th\u00ec nh\u1eefng \u0111\u1ee9a tr\u1ebb th\u1ec3 hi\u1ec7n s\u1ef1 kinh ng\u1ea1c v\u00e0 kh\u00f3 hi\u1ec3u. Hi\u1ec3n nhi\u00ean, \u0111\u00f3 l\u00e0 b\u1edfi v\u00ec khi \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi mang nhi\u1ec1u nghi\u1ec7p l\u1ef1c m\u00e0u \u0111en, ng\u01b0\u1eddi ta s\u1ebd b\u1ecb \u00f4 nhi\u1ec5m. Nh\u1eefng \u0111\u1ee9a tr\u1ebb ng\u1ea1c nhi\u00ean khi th\u1ea5y \u0111i\u1ec1u \u0111\u00f3.<\/p>\n<p>Sau \u0111\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u01b0a v\u00e0o th\u00ed nghi\u1ec7m m\u1ed9t ng\u01b0\u1eddi \u0111\u1ee9ng trong v\u00f9ng m\u00e0u x\u00e1m, v\u00e0 nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn gi\u1eefa ch\u00e0ng trai t\u1ed1t b\u1ee5ng v\u00e0 ng\u01b0\u1eddi \u0111\u1ee9ng trong v\u00f9ng m\u00e0u x\u00e1m. T\u1ea5t nhi\u00ean nh\u1eefng \u0111\u1ee9a tr\u1ebb l\u1ea1i ch\u1ecdn ch\u00e0ng trai t\u1ed1t b\u1ee5ng.<\/p>\n<p>Nh\u01b0ng nh\u1eefng \u0111\u1ee9a tr\u1ebb s\u1ebd ch\u1ecdn ng\u01b0\u1eddi \u0111\u1ee9ng trong v\u00f9ng m\u00e0u x\u00e1m n\u1ebfu ch\u00fang ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p l\u1ef1a ch\u1ecdn gi\u1eefa anh ta v\u00e0 ch\u00e0ng trai x\u1ea5u t\u00ednh. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u1ed1 g\u1eafng gi\u1ea3i th\u00edch ph\u00e1t hi\u1ec7n n\u00e0y b\u1eb1ng c\u00e1ch thi\u1ebft k\u1ebf m\u1ed9t lo\u1ea1t c\u00e1c chu\u1ed7i l\u00f4-g\u00edc kh\u00e1c nhau, \u0111i\u1ec1u r\u1ea5t ph\u1ee9c t\u1ea1p v\u1edbi nh\u1eefng \u0111\u1ee9a tr\u1ebb. H\u1ecd kh\u00f4ng nh\u1eadn ra r\u1eb1ng nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u00e3 s\u1eed d\u1ee5ng hu\u1ec7 nh\u00e3n \u0111\u1ec3 ph\u00e2n bi\u1ec7t trong qu\u00e1 tr\u00ecnh n\u00e0y v\u00e0 ch\u1ec9 c\u00f3 m\u1ed9t nguy\u00ean l\u00fd: Nh\u1eefng g\u00ec t\u1ecfa s\u00e1ng h\u01a1n \u1edf kh\u00f4ng gian kh\u00e1c s\u1ebd \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p>\n<p>Trong con m\u1eaft c\u1ee7a nh\u1eefng \u0111\u1ee9a tr\u1ebb, th\u1ebf gi\u1edbi n\u00e0y th\u1eadt l\u00e0 gi\u1ea3n \u0111\u01a1n. Ai c\u00f3 nhi\u1ec1u v\u1eadt ch\u1ea5t m\u00e0u \u0111en h\u01a1n th\u00ec \u0111\u00f3 l\u00e0 ng\u01b0\u1eddi x\u1ea5u, v\u00e0 \u0111\u00e2y ch\u00ednh l\u00e0 ch\u00e2n l\u00fd c\u1ee7a v\u0169 tr\u1ee5. Kh\u00f4ng g\u00ec c\u00f3 th\u1ec3 che gi\u1ea5u \u0111\u01b0\u1ee3c v\u00e0 m\u1ecdi th\u1ee9 r\u1ea5t r\u00f5 r\u00e0ng tr\u01b0\u1edbc m\u1eaft ch\u00fang. \u0110i\u1ec1u \u0111\u00e1ng bu\u1ed3n l\u00e0, sau khi ng\u01b0\u1eddi ta tr\u01b0\u1edfng th\u00e0nh, h\u1ecd ti\u1ebfp nh\u1eadn c\u00e1c \u201cki\u1ebfn th\u1ee9c\u201d, tr\u1edf n\u00ean th\u00e0nh th\u1ee5c, ph\u1ee9c t\u1ea1p h\u01a1n, v\u00e0 m\u1ea5t \u0111i hu\u1ec7 nh\u00e3n c\u1ee7a m\u00ecnh. M\u1ecdi th\u1ee9 d\u1ea7n d\u1ea7n tr\u1edf n\u00ean m\u1edd \u1ea3o tr\u01b0\u1edbc m\u1eaft h\u1ecd v\u00e0 h\u1ecd kh\u00f4ng c\u00f2n ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c t\u1ed1t-x\u1ea5u, thi\u1ec7n-\u00e1c n\u1eefa.<\/p>\n<p>Khi ti\u00eau chu\u1ea9n \u0111\u1ea1o \u0111\u1ee9c b\u1ecb b\u00f3p m\u00e9o, cho d\u00f9 ng\u01b0\u1eddi ta c\u00f3 ph\u1ea1m ph\u1ea3i t\u1ed9i \u00e1c l\u1edbn th\u1ebf n\u00e0o, h\u1ecd v\u1eabn t\u00ecm \u0111\u01b0\u1ee3c l\u00fd do bi\u1ec7n minh cho h\u00e0nh \u0111\u1ed9ng c\u1ee7a m\u00ecnh. Nh\u1eefng ng\u01b0\u1eddi \u1edf xung quanh th\u00ec b\u00e0ng quan th\u1edd \u01a1, c\u00f2n nh\u1eefng ng\u01b0\u1eddi ch\u1ea1y theo l\u1ee3i \u00edch c\u00e1 nh\u00e2n th\u00ec c\u00f3 r\u1ea5t nhi\u1ec1u. So v\u1edbi nh\u1eefng \u0111\u1ee9a tr\u1ebb th\u01a1 ng\u00e2y c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn kia, th\u00ec ch\u00fang ta \u0111\u00e3 tr\u1edf n\u00ean th\u00f4ng minh hay ng\u1ed1c ngh\u1ebfch h\u01a1n?<\/p>\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 m\u1ea5t nhi\u1ec1u c\u00f4ng s\u1ee9c nghi\u00ean c\u1ee9u v\u1ec1 nh\u1eefng \u0111\u1ee9a tr\u1ebb. N\u1ebfu b\u1ecf ch\u00fat th\u1eddi gian v\u00e0 suy ng\u1eabm, th\u00ec ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 ra r\u1eb1ng nh\u1eefng \u0111\u1ee9a tr\u1ebb nh\u1ecf d\u00f9 kh\u00f4ng bi\u1ebft n\u00f3i nh\u01b0ng v\u1eabn s\u1eb5n s\u00e0ng ch\u00eca tay ra k\u00e9o nh\u1eefng ng\u01b0\u1eddi c\u1ea7n gi\u00fap \u0111\u1ee1 m\u1ed9t c\u00e1ch v\u00f4 \u0111i\u1ec1u ki\u1ec7n. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi n\u00f3i, con ng\u01b0\u1eddi hi\u1ec7n \u0111\u1ea1i ch\u00fang ta n\u00ean c\u1ea3m th\u1ea5y x\u1ea5u h\u1ed5 tr\u01b0\u1edbc m\u1eb7t nh\u1eefng \u0111\u1ee9a tr\u1ebb trong s\u00e1ng.<\/p>\n<p>D\u1ecbch t\u1eeb:<\/p>\n<p><a href=\"http:\/\/www.zhengjian.org\/zj\/articles\/2007\/11\/25\/49517.html\">http:\/\/www.zhengjian.org\/zj\/articles\/2007\/11\/25\/49517.html<\/a><br \/>\n<a href=\"http:\/\/pureinsight.org\/node\/5096\">http:\/\/pureinsight.org\/node\/5096<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ai c\u0169ng th\u00edch nh\u00ecn khu\u00f4n m\u1eb7t, \u0111\u00f4i m\u1eaft v\u00e0 \u0111\u1ed9ng t\u00e1c c\u1ee7a nh\u1eefng \u0111\u1ee9a tr\u1ebb, b\u1edfi v\u00ec t\u1eeb \u0111\u00f3 ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 th\u1ea5y s\u1ef1 tinh khi\u1ebft trong nh\u00e2n t\u00ednh m\u00e0 con ng\u01b0\u1eddi ch\u00fang ta ao \u01b0\u1edbc.<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[11,80],"tags":[135],"class_list":["post-12145","post","type-post","status-publish","format-standard","hentry","category-bai-chon-loc","category-khoa-hoc-khac","tag-tre-em"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0110\u00f4i m\u1eaft c\u1ee7a nh\u1eefng \u0111\u1ee9a tr\u1ebb n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec? 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