/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: Davidshod https://cdn.slidesharecdn.com/profile-photo-Davidshod-48x48.jpg?cb=1735220243 "It isn't what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.��� Dale Carnegie