/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: SophiChang https://cdn.slidesharecdn.com/profile-photo-SophiChang-48x48.jpg?cb=1584691686 ËÕ·ÆÒ²Ëþ¿É