なるほど
理解できた(´ー｀)

http://images.google.com/images?svnum=50&hl=ja&inlang=ja&lr=lang_ja&ie=Shift_JIS&oe=Shift_JIS&safe=off&c2coff=1&q=%90%E2%91%CE%97%CC%88%E6&btnG=Google+%8C%9F%8D%F5