/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ThuHuyen4 https://cdn.slidesharecdn.com/profile-photo-ThuHuyen4-48x48.jpg?cb=1523337039 Trên gai luôn có hoa hồng... ...không phải hoa hồng có gai :)