/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: hideyukitakahashi188 https://cdn.slidesharecdn.com/profile-photo-hideyukitakahashi188-48x48.jpg?cb=1523496626 ÖÐÄ¿ü\¤Ë³öû¡£