To argue for a cause-and-effect relationship, scientists must attempt to explain why and how a connection could occur.

想要证明因果关系，科学家们必须尽量解释这种联系可能出现的原因和方式。

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These stories are full of compassion and courage and explain why and how, ordinary people can make a difference.

这些故事充满了同情和勇气，并说明普通人为什么和如何能发挥作用。

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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

By law, all quoted companies will have to say whether they comply with certain of its recommendations or explain how and why not.

ECONOMIST: German companies

Give examples of what you propose, and explain who will be affected, how, and why.

FORBES: How to Stop the Dreaded "Decision Drift"

While the panelists highlighted several paradigms that come with infusing the traditional 10-K with environmental and social information, each had a common objective: To explain why they chose to publish sustainability reports and how they countered the challenges that emerged along the way.

FORBES: What's the Return on Investing in Sustainability?