S\u1ef1 th\u00f4ng tho\u00e1ng: y\u1ebfu t\u1ed1 th\u00f4ng tho\u1ea3ng, s\u1ea1ch s\u1ebd, tho\u00e1ng m\u00e1t lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u khi thi\u1ebft k\u1ebf nh\u00e0 v\u1ec7 sinh cho b\u1ea5t c\u1ee9 kh\u00f4ng gian s\u1ed1ng n\u00e0o. H\u00e3y b\u1ed1 tr\u00ed c\u00e1c v\u1eadt d\u1ee5ng nh\u01b0 c\u1eeda ch\u1edbp hay c\u1eeda s\u1ed5 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u0103n ph\u00f2ng lu\u00f4n \u0111\u01b0\u1ee3c th\u00f4ng tho\u00e1ng b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/li><\/ul>\n\n\n\n\u200b<\/p>\n\n\n\n