But there have also been times of harmony in history. likein medieval Spain.

VOA: standard.2010.03.18

That's an idea that struck people intuitively at various times in history, but they didn't know how to do these calculations.

在历史上,人们很多次,直觉地感知到了这一点,但是他们不知道怎么去计算

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Well, in recent times, I mean,9/11 was a really dramatic event in world history here.

近期的话，9/11是美国历史上惊天动地的大事件。

911事件的影响 - SpeakingMax英语口语达人

I think the idea of a stock must have been invented independently at many times in history.

我认为股票这个概念,在历史上被反复提出过多次

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These are pictures of two notoriously good men, Oskar Schindler and Paul Rusesabagina, each who at different times in history saved the lives of many, many people at great risk to themselves.

这是些众所周知的好人的照片,奥斯卡·辛德勒和保罗·卢斯赛伯吉纳,两人在不同的历史时期,冒着生命危险挽救了很多人的生命

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And Athens was until only fairly recent times in human history the most famous democracy that ever existed. I say fairly recent times until you know the American democracy.

而雅典是直到近期为止,一直是人类历史上曾存在过,最著名的民主之城，我所谓的近期,当然是指在美国民主出现之前。

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And as I'm going to do many times in 3.091, I'm going to start a unit like this with a history lesson.

在3。091这门课上我会重复很多次，我会像现在一样以一个历史的故事,来开始新的一单元。

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Hacking believes that there were many gambling theorists who invented probability theory at various times in history but never wrote it down and kept it as a secret.

哈金相信历史上有很多赌博理论家,曾多次构想了概率论,但从来没有记录下来,并且恐为人知

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This has happened so many times in history that governments around the world now regulate banks and tell them that they have to hold a minimum amount of reserves and have a minimum amount of capital.

这在历史上已经发生多次了,如今,各国政府都在进行银行监管,并且告诉他们,他们必须留存最小金额的准备金,以及最小金额的资本金

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