For business letters, what kind of language should be used?
举一反三
- What kind of clothes should a man wear for doing business in New Zealand?
- What kind of stories are the best ones when used to give presentation? And in what matters should they be told
- When writing business letters, we should _________.
- Business letters are used for longer or more official messages. ( )
- What is the first thing you should know in order to start a used baby equipment business? The _____________.