(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

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

We think that there is a need, while we are treating this matter, to examine the effect, or the impact of whatever decision that will be taken on the peace process in eastern Congo."

VOA: standard.2009.04.18