N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi ch\u01a1i x\u1ed5 s\u1ed1 th\u01b0\u1eddng xuy\u00ean, vi\u1ec7c c\u1eadp nh\u1eadt v\u00e0 th\u1ed1ng k\u00ea c\u00e1c k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 th\u01b0\u1eddng xuy\u00ean l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. M\u1ed7i ng\u01b0\u1eddi ch\u01a1i c\u00f3 m\u1ed9t chu k\u1ef3 th\u1ed1ng k\u00ea kh\u00e1c nhau \u0111\u1ec3 ti\u1ec7n theo d\u00f5i v\u00e0 \u0111\u01b0a ra ph\u01b0\u01a1ng \u00e1n d\u1ef1 \u0111o\u00e1n. Chu k\u1ef3 qu\u00e1 ng\u1eafn ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi m\u1edbi ch\u01a1i. Chu k\u1ef3 qu\u00e1 d\u00e0i khi\u1ebfn ng\u01b0\u1eddi ch\u01a1i m\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 x\u00e1c su\u1ea5t nh\u1ea7m l\u1eabn cao. V\u00ec v\u1eady, ch\u00fang t\u00f4i s\u1ebd gi\u00fap qu\u00fd kh\u00e1ch h\u00e0ng li\u1ec7t k\u00ea <\/span>k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 15 ng\u00e0y g\u1ea7n nh\u1ea5t<\/b> trong b\u00e0i vi\u1ebft n\u00e0y.<\/span><\/p>\n
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