際際滷shows by User: hoatan39 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: hoatan39 / 際際滷Share feed for 際際滷shows by User: hoatan39 https://public.slidesharecdn.com/v2/images/profile-picture.png t N坦i thick du l畛ch v i choj c湛ng b畉n b竪