He used to be one of my professors.

他过去是我的一个教授。

《柯林斯英汉双解大词典》

"Hedge funds used to be set up by two guys in a back alley with a flashlight," says one veteran.

一位资深人士表示：“对冲基金过去是由两个人拿着手电筒，在一个偏僻的小巷里建立起来的。”

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Both shoulder straps should be used, and adjusted so that the pack fits the body, without hanging to one side.

两个肩带都应该使用，并调整，以便背包适合身体，而不是挂在一边。

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Charles Wortmann at the University of Nebraska-Lincoln says a one-time tillage may be used to correct a problem like aggressive weeds.

VOA: special.2010.09.28

It used to be case that trained people like dieticians would have to sit down and go through one by one by one and do nutrient analysis, but of course the computer helps with that.

过去那些受过专业训练的人,如营养师,不得不坐下来,一项一项仔细查看,并做营养分析,当然,现在有电脑协助来做这些

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It used to be a different type of neighborhood at one point, it was very poor.

在过去的某个时候，这里曾是一个完全不同的社区，感觉很穷。

这里不危险 - SpeakingMax英语口语达人

In addition to capturing regular passwords, man-in-the-middle attacks can be used to intercept one-time passcodes offered by traditional two-factor authentication systems.

FORBES: Google Reveals Details About Its Plan To Fix Password Security

And why should the red tape and lessons of a hundred-year-old industry be used to regulate one that has barely begun?

ECONOMIST: SpaceShipOne

Each processor will be used to simulate one or two neurons.

FORBES: Magazine Article