/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: krlacr https://cdn.slidesharecdn.com/profile-photo-krlacr-48x48.jpg?cb=1523195766 "It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so". "Don't go around saying the world owes you a living. The world owes you nothing. It was here first". Mark Twain