/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: hoshengchen https://public.slidesharecdn.com/v2/images/profile-picture.png "你若不想做, 會找到一個藉口; 你若想做, 會找到一個方法." "一本講真話的書就像是一個好朋友" Samuel Ullman : Youth is not a time of life; it is a state of mind