/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: katyyu5921 https://cdn.slidesharecdn.com/profile-photo-katyyu5921-48x48.jpg?cb=1671008848 Hello! ÎÒµÄÃû×ÖÒ²½ÐKaty À²!! ÓÐÈËÕ`•þÁË°É!