/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: JoanneChung1 https://cdn.slidesharecdn.com/profile-photo-JoanneChung1-48x48.jpg?cb=1523072551 í§ÒâµÄ±¼ÅÜ°É£¡