To prove that factor a has no effect whatever on outcome b may be important in the sense that it refutes a hypothesis.

证明因素 a 对结果 b 没有任何影响可能是重要的，因为它驳斥了一个假设。

精选例句

"There will be a knock-on effect for car production in the UK, but we don't yet know what it is," he said.

他说，“这对我们在英国的汽车生产会形成连锁反应，但是目前为止我们还不知道是什么样的”。

article.yeeyan.org

Yet decisions taken in Geneva do have an effect, both legal and humanitarian, on people in benighted places—and the world would be much happier if the effect was far greater.

在日内瓦做出的决定在法律与人道方面对于那些蒙昧地区的人们确实有些影响，让人悲哀的是其影响太有限了。

www.ecocn.org

This echo effect can be heard on the recording of this huge hit for the Supremes in nineteen sixty-four, "Where Did Our Love Go?"

VOA: special.2009.05.11

And in so far as it is possible for me, to try to preempt what that impact or effect might be in the sense of trying to figure out whether or not it will have an impact on you and what it might be.

只要有可能，我就会通过自己对诗歌的感受,来试图推断这首诗,是否会对读者产生冲击，会产生怎样的冲击。

普林斯顿公开课 - 人性课程节选

(Test) The U.N.Secretary-General says he is "optimistic" a climate-change agreement can be reached in Copenhagen that will include specific recommendations on key elements that will take effect immediately.

VOA: standard.2009.12.09

The SEC adds that it expects the exchanges and FINRA will begin implementing the newly adopted rules as early as Friday and that they will be in effect on a pilot basis until Dec. 10.

FORBES: Magazine Article

To have continued with the RPI would in effect be to carry on making benefits more generous, rather than retaining their real value.

ECONOMIST: The switch in price indices