/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: mavalounge https://cdn.slidesharecdn.com/profile-photo-mavalounge-48x48.jpg?cb=1523407544 ¾´Î·Ò®ºÍ»ªÊÇÖǻ۵Ŀª¶Ë