We are writing in reply to your letter of April 5th, in which you asked for our advice concerning the marketing of motor-cycles in the western part of your country.

贵方4月5日来函要求我方就摩托车在贵国西部市场销售一事提供意见，现特函答复。

youdao

I'm sure I'm not the first guy to have a girl write him an amazing letter, or help him pick out fancy jeans, or dispense good advice about his thorny work issue.

我肯定我不是第一个让女孩写信给他的人，或者帮助他挑出漂亮的牛仔裤，又或者是对他工作上的复杂事务提出建议的人。

youdao

This is the most obvious piece of organizing advice in the world — until you've got a letter to mail and can't find the stamps.

这是世界上对整理工作而言，最平淡无奇的建议——直到你需要邮寄一封信却找不到邮票的时候。

youdao

"I followed your advice," he said. "But I still have not found the letter."

VOA: special.2009.12.26

After losing his bid for a fourth term in 1989, Mr Koch wrote a letter giving advice to the man who beat him, Mr. Dinkins.

WSJ: Ed Koch Legacy: New York City's Fortunes Improved Under His Leadership

In an open letter of advice to Gov. Cuomo's newly appointed executive director, Patrick Foye, Mr. Marlin urged Mr. Foye to reject Port Authority bureaucrats' cost estimates and construction timetables on new projects.

WSJ: Debra Burlingame: The 9/11 Memorial Museum Held Hostage

Mr Darling ends the letter by quoting advice from economist Maynard Keynes that "when the facts change, you change your mind".

BBC: UK Politics