/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: mathchan2005 https://public.slidesharecdn.com/v2/images/profile-picture.png This account is for research and working purpose only! I will NOT add anyone as friend. I like chatting with people who I know, but face-to-face only! Pls. do not invite me as a friend,e ven if you know me!