He placed the paper in a plain envelope.

他把论文放在一个空白信封里。

《柯林斯英汉双解大词典》

He'd placed his notes in the brown envelope. They hadn't been disturbed.

他已把票据放在那个棕色信封里了。票据没有被动过。

《柯林斯英汉双解大词典》

Mr. Rohmbauer counted out the money and put it in an envelope.

罗默保尔先生把钱逐一数出并放入信封。

《柯林斯英汉双解大词典》

And he pushed the envelope on salaries. He realized he was in this massive media market in New York.

VOA: special.2010.07.26

You really believe, and it is in fact the case that the things written down in the envelope are true.

你真的相信，而事实上,信封里写的那些事都是真的。

耶鲁公开课 - 死亡课程节选

Okay, so this is a five-dollar note and I'm going to put it--sorry about that again-- I'm going to put it in an envelope.

没错,这是一张5美元的钞票,我将要把它,装进一个信封里面

耶鲁公开课 - 博弈论课程节选

It remains in an envelope in his New Delhi apartment.

WSJ: India Rape Victim's Friend Describes Their Love Story

Yene says he gave Herman money -- in one instance, cash in an envelope -- in return for her influence, including helping someone secure an FCC license for a satellite telephone system.

CNN: Herman Focus Of Influence-Peddling Probe

Melva Givens put the coin in an envelope and stuck it in a closet, where it stayed for the next 30 years until her death in 1992.

WSJ: Rare 1913 Nickel Auctioned for $3.1 Million