/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: ursulafriedman https://cdn.slidesharecdn.com/profile-photo-ursulafriedman-48x48.jpg?cb=1542161441 行不更名坐不改姓 知人者智，自知者明，胜人者有力，自胜者强