He wrote a very formal letter of apology to Douglas.
You should begin a formal letter with " To whom it may concern. "
正式信件的开头你应写 " 敬启者 ".
Further to our telephone conversation of this morning, am enclosing the formal letter terminating our contract.
But a business letter is still formal writing.
Which of the following is NOT a suitable way to end a formal letter?
It said the move reinforces a formal protest letter sent to Beijing last week.