This includes working to translate text, teaching, and other. You don't really have to be so worried about the subject. This system teaching incorporates immersing the scholars in the target (or second) language. http://www.odrportal.hu/en/web/thanhphuong/home/-/blogs/10-trung-tam-hoc-tieng-anh-giao-tiep-co-ban-tai-%C4%91a-nang-chat-luong