The world's population is expected to reach 7,000 million by the year 2000, but already scientists have produced new and better varieties of wheat and rice and animal.

到2000年，世界人口预计将达到70亿，但是科学家已经培育出了新的、更好的小麦、水稻和动物品种。

youdao

It maybe that some have them already, but we cannot be sure.

也许有些人已经拿到了，但我们不能肯定。

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It may be that some have them already, but we cannot be sure.

也许有些人已经拿到了，但我们不能确定。

youdao

"Why should we do something when we've already done it?" But he recognizes that some people have strong feelings about the issue.

VOA: special.2010.04.28

I think you may have defined it already, but I couldn't find a definition of strictly in the book we have.

我想你之前已经定义过了,但是我在课本里没有找到,“严格”的定义

耶鲁公开课 - 博弈论课程节选

I don't have time here to discuss this section right now, but you've already had some encounter with the incredibly impressive level of ingenuity and grotesquery in this remarkable passage.

现在我们没有时间来讨论这一部分了，但你们已经领略到了这一段中,给人深刻印象的,独创性和其中的怪诞。

耶鲁公开课 - 弥尔顿课程节选

These are apps like WhatsApp and Nimbuzz that are not popular, but already have all-important, complex relationships with local carriers and even mobile developers.

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The Isles Scilly have got five nominated sites but we already have seven approved and to be quite honest we could have 27.

BBC: Stargazing live: Astronomers stage Isle of Man events

Researchers are only just beginning to study minimally conscious patients, but already they have found surprising hints of brain activity.

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