/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hungnguyenvanphuc https://public.slidesharecdn.com/v2/images/profile-picture.png S畛�ng t鱈ch c畛�c, th鱈ch s畛� trung th畛�c, th但n thi畛�n. Gh辿t nh畉�t l�� s畛� d畛�i tr叩, kh担ng chung th畛�y, kh担ng bi畉�t nh動畛�ng nh畛�n. Lu担n c坦 y棚u c畉�u cao ��畛�i v畛�i b畉�n th但n, kh担ng t畛� h��i l嘆ng v畛�i nh畛�ng g狸 ��ang c坦. 働畛�c m董 tr畛� th��nh m畛�t nh�� khoa h畛�c ho畉�c b叩c s挑 trong t動董ng lai.