/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ytshimomura https://cdn.slidesharecdn.com/profile-photo-ytshimomura-48x48.jpg?cb=1523494374 ¥Ð¥¦¥à¥¯©`¥Ø¥ó¤¬ºÃ¤­¡£¤¤¤Þ¾©¶¼¡£