店主不会等着证明看能不能有效果。

Storekeepers do not wait for proof that it works.

youdao

从后来发生的事看，这一决定证明是正确的。

In the light of later events the decision was proved right.

《牛津词典》

我可以证明给你看！

How well I can prove it to you!

youdao

But it will let us illustrate a few points.

但是它能证明给我们看很多道理。

麻省理工公开课 - 计算机科学及编程导论课程节选

So Rituparna tries to prove to him his abilities and he says, see that tree there, I can estimate how many leaves there are on that tree by counting leaves on one branch.

所以睿都巴若那就试图证明自己的能力,他说,看那边的树,我只需数一根枝杈上的叶子,就能估算出树上叶子的总数

耶鲁公开课 - 金融市场课程节选