It has been demonstrated that this drug is effective.

这药已证实是有效的。

《牛津词典》

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But at least they have demonstrated that when companies get into trouble with the law, evidence of good character can win them a less costly punishment.

但至少他们已经证明，当公司触犯法律时，良好品行的证据可以为他们换来代价更低的惩罚。

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"Malawi is a landlocked state, it is one of the ones that we tend to worry most about, and yet it has demonstrated that when you focus attention on a problem you can make progress."

VOA: special.2010.04.26

That's the idea of the game, and then Parry demonstrated by careful scholarship of the Homeric poems, that that is the way the Homeric poems were.

他们从游历中获取灵感,之后帕里通过严谨的学术论证证明了,这就是《荷马史诗》的创作方式

耶鲁公开课 - 古希腊历史简介课程节选

And fairly soon into the conversation I demonstrated some principle that you've probably learned in your physics class having to do with an object at rest remaining at rest unless acted upon by a force.

很快，在交谈中,我就展示了一些原理,可能你们在物理课上学过,要使静止的物体保持静止,必须有外力作用。

耶鲁公开课 - 心理学导论课程节选

Recent research by University at Buffalo psychologist Leonard Epstein demonstrated that consumers are inclined to do just that.

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The 1970s painfully demonstrated that you can simultaneously have rising prices and economic stagnation.

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He has demonstrated that he knows how to deliver value to customers and to shareholders.

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