The ideal size is about the area of a piece of A4 or US Letter sized paper.

理想的尺寸大约是一张A4或者美国信纸那么大。

youdao

He read the letter aloud to us.

他把信大声念给我们听。

《牛津词典》

In his letter he indicated to us (that) he was willing to cooperate.

他在信中向我们透露他愿意合作。

《牛津词典》

He took a yellowed letter out of his shirt pocket and read it to us.

VOA: special.2009.07.04

The letter to Diodati gives us another glimpse of the anticipatory narrative that Milton is sketching for his career.

在这封给迪奥达蒂的信里我们又一次看到,弥尔顿的预言性描述正拉开他事业的帷幕。

耶鲁公开课 - 弥尔顿课程节选

Could you tell us about a person who wrote a recommendation letter for you?

你能给我们介绍一位给你写推荐信的人吗？

写推荐书的人 - SpeakingMax英语口语达人

Natoma Canfield -- self-employed cancer survivor from Ohio -- she wrote us a letter.

WHITEHOUSE: Fighting for Health Insurance Reform

Last week, a representative of a hedge fund, who we understand has been spreading false rumors about Jefferies, sent us a letter with a series of questions that for the most part show what we must presume is an intentional misreading of our public filings to try to support these rumors.

FORBES: Jefferies Is The Victim Of Malicious Lies, CEO Argues

Six months later the FDA sent us a form letter stating that they were still considering it, and that was the last we heard from them about it.

FORBES: Should The FDA Be Spun Out Of HHS?