/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NguynTm2 https://cdn.slidesharecdn.com/profile-photo-NguynTm2-48x48.jpg?cb=1523017813 L湛i m畛�t b動畛�c tr畛�i cao ��畉�t r畛�ng, ti畉�n n��m b動畛�c bi畛�n c畉�n h畉�t n動畛�c. C叩i n��o c畉�n h董n : tr畛�i, ��畉�t hay n動畛�c bi畛�n?