Rees and his team looked into why different types of skin cancer occur in different parts of the body.

里斯和他的研究小组调查了为什么不同类型的皮肤癌发生在身体不同的部位。

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But behaviorism fails to explain why different people adjust themselves to the same conditions in different ways.

但是行为主义者没能解释好，为什么不同的人会以不同的方式来适应相同的条件。

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Writing in the Journal of Avian Biology, the researchers say the findings may help explain why different coloured birds have adapted to different environments.

研究员在《鸟类生物学期刊》中写道：上述发现有助于解释为何不同颜色的鸟类能适应不同的环境？

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They say he often asked why some plants grew better in different areas of the farm.

VOA: special.2009.11.10

But, you know why not do something a little special, little different, and they decided instead to use lithium.

但是你懂的，为什么不做的更特殊，更与众不同一些呢？

麻省理工公开课 - 化学原理课程节选

If so, why does the book of Joshua provide such a different account, one of outside conquest by means of a war led by the hosts of the Lord?

若这样，为什么《约书亚书》中是完全不同的描述，是由上帝所带领的外部侵略战争？

耶鲁公开课 - 旧约导论课程节选

They argue there are a number of cultural, social, or economic reasons why different language speakers behave differently.

BBC: Why speaking English can make you poor when you retire

The reasons for why different people reject evolution, particularly within the context of different religious traditions, are complicated.

FORBES: Why Some Christians Reject Evolution

Crucially, both theories have a purchase on much that the Standard Model leaves unanswered why the universe is full of matter and not antimatter, say, or why different fundamental forces have wildly different strengths.

ECONOMIST: The hunt for physics��s most elusive quarry is over