Directions: Suppose you are Susan, a booth sales representative. You're writing an e-mail to Ben, one of your potential clients, to invite him to attend Auto Guangzhou 2020. It should include the following points 1. the correct format of an e-mail: 2. specific information about the exhibition (name, duration, venue, theme, fees, etc.) 3. the exhibition website for registration and other related information, and so on; 4. tell him you're prepared to answer any questions from him; 5. ensure that it should be clear, simple, and persuasive.