/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ssuser0d0e0a https://cdn.slidesharecdn.com/profile-photo-ssuser0d0e0a-48x48.jpg?cb=1523050336 Commercial Director OPTA company, Chief editor of media portal VideoProTest http://www.videoprotest.com/