Standard 1-2: Pick up the microphone in the left hand and the pen in the right hand.
Standard 1- 1: Smiling makes the receiver feel kind and happy.
Standard 2- 1: "Hello, * * * College! I'm teacher XXX. What is your name, please? "
Standard 2-2: Sound friendly and natural; The volume is slightly higher than that of ordinary chat.
Standard 2-3: When you speak, pay attention as you do when talking to the other person.
Standard 1- 1: uncle/aunt/gentleman/lady/classmate x, goodbye! If there is anything I can do for you, please call me at any time!