/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ramongambino https://cdn.slidesharecdn.com/profile-photo-ramongambino-48x48.jpg?cb=1523152651 The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others. - John Locke