/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: eyvone https://cdn.slidesharecdn.com/profile-photo-eyvone-48x48.jpg?cb=1522950529 ÓµÓÐÁ˾ÍÒªÐÒ¸£Å¶´Ê eyvonw_leng@hotmail.com