/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: nguyenlinhnguyenlinh5 https://public.slidesharecdn.com/v2/images/profile-picture.png 失败是成功之母 无论遇到什么困难，也要敢于面对。如果坚持下去，一定获得成功!