/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: aprilgreenway https://cdn.slidesharecdn.com/profile-photo-aprilgreenway-48x48.jpg?cb=1527292845 "A failure is not always a mistake, it may simply be be the best one can do under the circumstances. The real mistake is to stop trying." - B.F. Skinner