Foundationalism is the view that our knowledge claims, what we think we know, that is, they need to have a base.

基础主义的观点是，我们的知识主张，也就是我们认为自己所知道的事物，需要一个基础。

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These are people you know, touch base with occasionally but don't spend a lot of time with.

这些人你了解并且偶尔在基础层面打交道，但并不会与他们度过很长时间。

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There is a baseball expression for those with advantages who do not know it - being born on third base and thinking you hit a triple run.

这里有一个关于棒球的表述可以比喻那些拥有优势却浑然不知的人——即出生在三垒上，却自以为打了一个三垒打。

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You know, you mix acid and base together and the thing heats up like crazy, right.

你知道，当你把酸和碱混合起来时,这东西会像疯了一样地变热。

麻省理工公开课 - 热力学与动力学课程节选

very, very competitive acceptance rates and, uh, you know, generally very smart student-base,

哥伦比亚的入学门槛很高，这里的学生都非常的聪明，

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She needs to know this enzyme works by both acid base chemistry, and oxidation reduction.

她要知道酶催化，她需要知道这种酶,在酸碱环境下的反应和氧化还原反应。

麻省理工公开课 - 化学原理课程节选

Francis says that before joining a social network to make sales, you must know your client base.

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As you know, many base salaries on Wall Street are eclipsed by bonuses often in the form of company stock.

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People are combining the unique talent base and know-how in Southern California with the entrepreneurial spirit and long-term view of Silicon Valley.

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