/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: FrankaTse https://cdn.slidesharecdn.com/profile-photo-FrankaTse-48x48.jpg?cb=1523039848 ÒþÐÎÈËÒ»¸ö