So what can videos add to a lesson?[영상물 수업을 어떻게 할 것인가?] If you search the internet, even on sites such as YouTube, you will find many videos that other teachers have uploaded for people to use. These can have many benefits, including[당신이 인터넷을 검색하면, 유튜브 등에서 다른 선생들이 사람들이 사용할 수 있도록 업로..