/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DngSi https://public.slidesharecdn.com/v2/images/profile-picture.png H畛�i th畉� gian h畛�c l�� g狸 M�� khi畉�n ai n畉�y t畛� k畛� ��畉�n ch畉�t?