/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: linhanni622 https://cdn.slidesharecdn.com/profile-photo-linhanni622-48x48.jpg?cb=1523494342 加我當朋友請告知原因，並簡要自我介紹。如果我已經認識你了，也請你告訴我你是誰。 If you want to be my friend, please give me a reason and introduce yourself briefly. If I had met you before, please let me know who you are, thanks.