/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NguyenDuongAnhNgoc https://cdn.slidesharecdn.com/profile-photo-NguyenDuongAnhNgoc-48x48.jpg?cb=1523525789 ��畛�ng l��m m嘆n gi叩 tr畛� c畛�a b畉�n th但n b畉�ng vi畛�c so s叩nh b畉�n v畛�i ng動畛�i kh叩c. B畛�i v狸 m畛�i ng動畛�i trong ch炭ng ta ��畛�u l�� nh畛�ng ng動畛�i ��畉�c bi畛�t.