狠狠撸shows by User: AnsariJamil / http://www.slideshare.net/images/logo.gif 狠狠撸shows by User: AnsariJamil / 狠狠撸Share feed for 狠狠撸shows by User: AnsariJamil https://public.slidesharecdn.com/v2/images/profile-picture.png i study in M.Sc (ECI)