/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: VivianTseng https://public.slidesharecdn.com/v2/images/profile-picture.png Hello . I'm Þ±Þ±°²¨Û N 1 - 4 ޱС°² :))