/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: EmmaTung https://cdn.slidesharecdn.com/profile-photo-EmmaTung-48x48.jpg?cb=1523005750 Ö§ëxÆÆËé ÞÕÞÕÅêÅê ´ó±ŠµÄ¼Åį С±ŠµÄ‰™Âä С±ŠµÄ¼âäJ ´ó±ŠµÄ´àÈõ