/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: giapunhalban https://cdn.slidesharecdn.com/profile-photo-giapunhalban-48x48.jpg?cb=1523356347 what we obtain too cheap,we esteem too lightly; it is dearness only that gives everything its value.. -thomas paine-