A number of forged tickets are in circulation.

有一些假入场券在流通。

《牛津词典》

The supply of money in circulation was drastically reduced overnight.

一夜之间流通货币的供应就急剧减少了。

《柯林斯英汉双解大词典》

We must constantly adjust the amount of money in circulation.

我们必须对货币的流通不断进行调节。

《新英汉大辞典》

The findings are published in Circulation: Journal of the American Heart Association.

VOA: special.2010.01.13

Censorship only comes into play once a text has actually been in circulation for a while, only after a number of readers have found a published text to pose a threat.

控制仅仅是一本书已经出版发行一段时间,一些读者已经发现这印刷的文本,造成威胁时才起作用的。

耶鲁公开课 - 弥尔顿课程节选

Please go get the clicker at the Bass Circulation Desk, and they should have enough everybody in the class.

去巴斯借书处领取表决器吧,应该每人都能领取到一个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

However, Hoggart refrained from using the more polemical terminology that was in circulation at the time.

UNESCO: The Uses of Richard Hoggart

It's catchiness, rather than proof of their effectiveness, that keeps them in circulation at many companies.

WSJ: How to Ace a Google Interview

The US Federal Reserve has a system to control the amount of currency in circulation.

FORBES: Yes, Spanish Crisis Has Triggered the Euro's Endgame