/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: RihiWila https://cdn.slidesharecdn.com/profile-photo-RihiWila-48x48.jpg?cb=1523041016 If your lips would keep from slips, five things observe with care: to whom you speak, of whom you speak, and how, when, and where you speak. (William E. Noris)