際際滷shows by User: guodongguo123 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: guodongguo123 / 際際滷Share feed for 際際滷shows by User: guodongguo123 https://cdn.slidesharecdn.com/profile-photo-guodongguo123-48x48.jpg?cb=1523336755 Persistence !!!