/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: MandyWong6 https://public.slidesharecdn.com/v2/images/profile-picture.png 心態改變一切, 只要你有決心去完成一件事, 加上行動,時間,決心,努力, 專心一致定能成功.