其他科学家也曾著书向非科学家们解释他们的研究领域，但却不得不忽略数学运算以使得书籍简单易懂，尽管数学运算为他们的理论提供了基础。

Other scientists have written books to explain their fields to non-scientists, but have necessarily had to omit the mathematics, although it provides the foundation of their theories.

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他想要使毒品合法化，禁止非自愿向精神病院提供服务，并用在线教育取代公立学校。

He wants to legalize drugs, ban involuntary commitments to mental institutions, and replace state schools with online education.

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它提供对环境友好的产品或服务，以取代对非绿色产品的需求。

It supplies environmentally friendly products or services that replace the demand for nongreen products.

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But if life would no longer have anything good to offer you, if what you then would have had would have been something negative instead of something positive, then at that point, dying wouldn't actually be a bad thing.

但是当生命再也不能向你提供美好，届时我们面对的是,消极的而非积极的东西，那时死亡可能不是一件坏事。

耶鲁公开课 - 死亡课程节选

And here the electrons are actually donated, so this becomes F minus.

非平均共价，到这里，电子被完全提供给F，这是氟负离子。

麻省理工公开课 - 固态化学导论课程节选