How, why and where did this radical shift into farming crops and animals take place?

种庄稼、养牲口，这种根本转变是如何、为何、在哪发生的呢？

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How, why, and where do people get together?

如何，为什么，在哪可以让人们聚集起来？

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(PhysOrg.com) -- Oxford University scientists have solved a 50-year-old puzzle about how, why or indeed if, sugar molecules change their shape.

据物理组织网1月10日报道，牛津大学科学家解开了一个掩盖五十年的谜：糖分子如何、为什么以及是否确实会改变自己的形状。

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Plate tectonics is the area of science that explains why the surface of the Earth changes and how those changes cause earthquakes.

VOA: special.2010.01.12

That's why many of them are thinking really very hard of how to foster entrepreneurship, how to encourage innovation.

这就是为什么大家都在思索,如何才能培养企业家精神，如何鼓励创新。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

It has traditional stories and legends, some quite fanciful, Whose goal it is to explain how and why something is what it is.

它讲述了一些传统故事，有一些还极具想象力，它们试图解释事物的形成方式及成因。

耶鲁公开课 - 旧约导论课程节选

You know, people ask me how why did this, and with great difficulty, in many ways.

FORBES: Brown Whitman Race Begs The Question: What's The Worst Thing That Can Happen?

It offers not only plenty of examples to the contrary, but also some hints as to how and why empathy evolved, and how it might be related to self-awareness.

ECONOMIST: The evolution of empathy

To succeed in those markets, they will need to become experts in fan behaviour, understanding not just how and why people buy music but how they weave it into their lives.

ECONOMIST: Music and technology: Digitally remastered | The