/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: EllyHo https://public.slidesharecdn.com/v2/images/profile-picture.png ±§Õí¾Í¶ªµô,Óмç°ò¾Í¹»£º£©