/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ritamak6644 https://public.slidesharecdn.com/v2/images/profile-picture.png Ó¾ÐÀÊÇÒ² I'm Rita Mak. ? ??? (??) ??? ???.