/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: jiayunliu9 https://cdn.slidesharecdn.com/profile-photo-jiayunliu9-48x48.jpg?cb=1523750299 教地理是我的工作；世界是我的备课用书；旅行是我的精神粮食。