L\u00e0m sao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o quy\u1ec1n l\u1ee3i cho nh\u1eefng th\u00ed sinh b\u1ecb ‘tr\u01b0\u1ee3t oan’?<\/a><\/blockquote><\/iframe>