1.1 According to the successful salesperson Summer, what are the principles we should follow in business writing? 答案：pol 点我阅读全文
When you reply to an inquiry from a customer, try to answer all questions stated or implied. A prospective customer’s re 点我阅读全文
The enclosure indicates materials or documents enclosed. The short form “Encs” is often used when there is one item encl 点我阅读全文