[音频]Online chatting refers to communication between two or more people via computers. It is becoming the most 1 used way of social communication.We can use it to ask questions, get 2 , share experiences, and simply 3 our ideas about certain issues. For some companies, they can hold online chat 4 to tell employees about new business developments. In education, teachers use online chatting to help students practice 5 skills and give advice to them. Actually, online chatting really benefits us a lot.