/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hocnguyenviet9 https://cdn.slidesharecdn.com/profile-photo-hocnguyenviet9-48x48.jpg?cb=1523868890 "T担i kh担ng c坦 箪 ni畛�m mu畛�n l��m g狸 trong t動董ng lai v�� c滴ng kh担ng hi畛�u tr動畛�ng h畛�c s畉� gi炭p t担i x叩c ��畛�nh l畛�i ��i th畉� n��o. 畛� ��坦, t担i ti棚u h畉�t s畛� ti畛�n m�� b畛� m畉� d��nh d畛�m c畉� ��畛�i.''