/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: billytran09 https://cdn.slidesharecdn.com/profile-photo-billytran09-48x48.jpg?cb=1555514061 nói Ä‘c 6 thứ tiếng: Tàu, Trung Quốc, Úc, Australian, USA và Việt Nam :))