Part III A foreign friend is coming to stay with you. In 100 words, write a letter giving advice on what they're supposed to do.

一个国外的朋友将和你住在一起，写一封 100 字左右的信件给他们一些关于应该做的事情的建议。

youdao

Whether or not this is an opinion letter, set forth the factual assumptions and statutes you rely upon in giving your opinion or advice.

不管是意见书还是非意见书，都要详细说明有事实根据的设想并给出相关意见和建议所依据的法律。

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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