Wise biologists do not struggle too much with such questions.

真正明智的生物学家不太纠缠于这类问题。

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Unlike other animals, we need not struggle to find our next meal.

我们不需要像动物那样为下一餐而拼命。

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The struggle for existence occurs not in fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.

为生存而进行的斗争不是发生在战斗中，而是在争夺有限的觅食区和占用没有肉食动物的区域的竞争中。

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Adelaide Johnson said this unfinished area was meant to show that the struggle for women's equality was not over.

VOA: special.2010.01.27

The city of Amsterdam grows up not only as part of this victorious struggle against the Spanish armies.

阿姆斯特丹的成长不仅仅是,反抗西班牙军队胜利的一部分

耶鲁公开课 - 欧洲文明课程节选

The greatest tragedy of American history arguably is that this struggle could not be decided by debate.

美国历史上最大的悲剧可以说是,这场斗争不能由辩论来决定

耶鲁公开课 - 美国内战与重建课程节选

Wise biologists do not struggle too much with such questions.

ECONOMIST: A new, giant virus is confounding old certainties

It is not a struggle between political parties or ethnic groups.

ECONOMIST: The darkest corner of Africa

Many people will say we have not had to struggle often through the tournament.

BBC: Nathan Bracken column