/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: LimJoyce https://cdn.slidesharecdn.com/profile-photo-LimJoyce-48x48.jpg?cb=1523081979 ÅóÓѶ࣬ºÃ°ìÊ£¡£¡