波浪的存在是海洋存在的证明。

The presence of the wave is evidence of the existence of the ocean.

youdao

我笃信，那个少年就是我，是我在别一空间存在的证明。

I devoutly believed that the youth was me, the proof of my existence in another space.

youdao

博斯说，他相信在他有生之年，人类将能够证明地球以外的地方存在生命。

Boss said he believes human beings will be able to show that there is life in places besides earth in his lifetime.

youdao

That they exist is a proof that American ideals are not the tawdry pretenses they are so often accused of being.

或许这类人的存在,正证明了美国式理想并非无可挑剔,或者说它也在经受着现实的折磨，“

耶鲁公开课 - 1945年后的美国小说课程节选

Now in the passage I gave you, Freud says a very interesting thing, which is that after all, we have absolutely no objective evidence that the unconscious exists.

在我发给大家的文章中，弗洛伊德说到了非常有意思的一点，那就是完全没有客观的证据,来证明潜意识的存在。

耶鲁公开课 - 文学理论导论课程节选

When I talked about arguments for the existence of a soul, I said, "Look, here's one possible argument.

当我谈论证明灵魂,存在的论证时,我说过,"这里有个可能的论证

耶鲁公开课 - 死亡课程节选