/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: yufangho9 https://cdn.slidesharecdn.com/profile-photo-yufangho9-48x48.jpg?cb=1523494066 It's hard to express myself within several lines. If you're interested in my file. Be brave and give me an friend invitation. OK?