mOi nguOI` 1 Y kjen...rieg thoi ai biet the nao` dc nhug ma`dai loai Doan ket no la 1 the thong nhat giua cac thanh vien trong mot to chuc ( cu the la 1 lop' nak!) moi nguoi` co the chia se va giup do nhau ....hoac don gian la cac thanh vien deu thuc hien 1 cog viec chug nao` doa cua ca lop mot cah het suk..ok????