中国大学MOOC: What are the writing principles of business letter writing?
举一反三
- What are the writing principles of busienss letter writing?
- What are the basic principles of Business English writing?
- What are Five Cs Principles of Business Writing
- 1. What are the principles of effective business writing?
- 中国大学MOOC: In a business letter writing, the ________ is a greeting to the recipient.