/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: davidtao71 https://cdn.slidesharecdn.com/profile-photo-davidtao71-48x48.jpg?cb=1523595591 ��i畉�u thu畛�c t��n, b棚n ly c�� ph棚 c畉�n, ��畛�i kh畛�n n畉�n, bi畉�t k畉�t b畉�n c湛ng ai...