1. Vi?c g?p n�i t? t?
G?p ph?i chuy?n c?p b�ch n?u c� th? ?i?m t?nh t? t? k? chuy?n r� r�ng s? gi�p ng??i nghe ?? l?i ?n t??ng ?i?m t?nh, kh�ng k�ch ??ng v? b?n t? ?� th�m t�n nhi?m b?n