Did you put the change back in my wallet?

你把零钱放回我钱包了吗？

youdao

youdao

The brokerage goes back many hundreds of years, but it's in rapid change now because of information technology.

经纪业可以追溯到几百年前，但由于信息技术的发展，它现在正在迅速变更。

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Mattel agreed to change it. That was back in nineteen ninety-two, the same year as the first Barbie for President doll.

VOA: special.2009.04.06

So it goes back many hundreds of years but it's in rapid change now because of information technology.

因此经纪业已经有好几百年的历史,如今借助信息科技的发展,而迅速得到发展

耶鲁公开课 - 金融市场课程节选

It expands. You change your constraints on your system, you heat it up some more, then you take the heat source away, and you put it back in contact with the atmosphere. And you cool it a little bit, change the constraints, cool it a little bit more, and heat, and you've got a closed cycle engine.

让它与大气接触冷却,改变约束，使它继续冷却，然后又再次加热,这就是循环热机，我们以前也研究过，更复杂的机器。

麻省理工公开课 - 热力学与动力学课程节选

The idea that sea levels are rising quickly now is not controversial, and was seen as a pretty firm conclusion by the Intergovernmental Panel on Climate Change back in 2007.

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Back in the day, I could quote you the change in real GDP for the past several quarters without trying hard.

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