/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ducdday https://public.slidesharecdn.com/v2/images/profile-picture.png Nh�� ng竪o nh動ng hi畉�u h畛�c Tr動畛�c m狸nh ��畉�p zai l畉�m, h c滴ng ��畛� nhi畛�u r畛�i!!