/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NhiNguyen10 https://public.slidesharecdn.com/v2/images/profile-picture.png quan mien song vui , khoe moi ngay. moi ngay la mot niem vui. hay vui len khi quanh ban co nhieu dieu bi an dang cho ban giai dap