/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: badboy10x https://cdn.slidesharecdn.com/profile-photo-badboy10x-48x48.jpg?cb=1611622584 Y棚u c担ng ngh畛�, th鱈ch t狸m t嘆i v�� kh叩m ph叩 nh畛�ng ��i畛�u m畛�i. C坦 kh畉� n��ng vi畉�t l叩ch. Tr狸nh ��畛� Anh v��n FCE, EFSET C2