.tren doi nay theo cac ban dieu gi la can thiet nhat??????theo toi dieu can thiet nhat la tinh ban.nghe co ve la ko can thet nhung cac ban thu xem.!!vi du:cac ban hay dat minh trong truong hop co don ko ai noi chuyen thi..............cac ban da nhan ra dc dieu do.hay tin toi!!!!!!!!!!!!!!!!!!!thu nhe!chuc cac ban thanh cong...