/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: PerryLu https://public.slidesharecdn.com/v2/images/profile-picture.png Perry Lu @ Microsoft Ó°Ïñ²¿Âä¸ñ http://photo.xuite.net/id4.lu/