/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: gekhongtan5 https://public.slidesharecdn.com/v2/images/profile-picture.png 世界不断进步,我们不能停下脚步,就算拖着沉重的步伐也得紧追上去.停止迈步的人,注定被淹没在历史的洪流中.