But we're going to have questions like that where we have things we're doing that don't make sense when the market changes and the world changes.

但当市场和世界形势发生变化时，我们正在做的事情就会变得没有意义，这时候我们也会面临那样的难题。

youdao

There are reports that some military aircraft flew information when they were low on fuel during the Second World War, but Dr. Lissaman says they are unsubstantiated.

有报道称，二战期间，一些军机曾在燃料不足的情况下编队飞行。但利萨曼博士表示，这些说法没有根据。

youdao

But, when one considers the obstacles to achieving the meritocratic ideal, it does look as if a fairer world must be temporarily ordered.

但是，在人们考虑到实现精英管理的诸多障碍时，看起来确实需要暂时建立一个更公平的世界。

youdao

But the look on everyone's face, when you are finished and packing, it is the best smile in the world;

VOA: special.2009.03.22

I don't know about that. I am not so sure." But then, we realized that like when we walk out that door, it's the whole world again. So you get sucked up by your group, by your sort of identity.

我不知道，不是很确定，然后呢，我们就意识到走出那个大门，又是一个完整的世界，所以你就会,被你的团体，你的身份所束缚。

普林斯顿公开课 - 人性课程节选

But in the real world when dealing with humans, but even when dealing with animals, we don't actually always use primary reinforcers or negative reinforcers.

但当我们在现实中训练人类，甚至是训练动物时，我们实际上并不总是用到初级强化物,或是负强化物。

耶鲁公开课 - 心理学导论课程节选

But when the world's navies descended on the region in an attempt to protect shipping, the pirates found their grip on the area challenged.

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In the past, we might have shrugged off this massive, regional economic loss as inevitable in the game of business, but when the region of the world in question is the politically unstable Pakistan, it should give pause.

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But when the czar blundered into the First World War he brought this progress to a crushing halt.

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