You can’t prove a negative nor recreate history to show what might have been.

没人能用反证法或者重造历史来说服大众——说明某事也许会发生。

youdao

After the collapse of the Spanish property market left many expats living in negative equity, the decline in UK savings interest rates and pension payments may prove a blow too far.

西班牙房地产市场崩溃之后，很多外国人生活中出现负资产，英国存款利率及退休金的下跌可能会使市场受到更长远的打击。

youdao

By establishing a prior inequality, we prove that, under suitable conditions, the unique non-negative solutions of the problems are trivial.

在适当的条件下，通过建立一个先验不等式，证明了其唯一非负解是平凡的。

youdao

What is more, to refute it Iraq seems to be obliged to prove a negative, which, to a layman, seems a little tricky.

ECONOMIST: Assessing the evidence against Saddam Hussein

His approach was harder to pull off: raise the bar, create a zone of privacy, don't fall into the trap of trying to prove a negative.

CNN: 'I've made mistakes...'

In years past Turkey's spotty democracy was often cited to prove a negative: the Turkish case (along with Indonesia's and Malaysia's, also with reservations) showed that Islam did not pose an insuperable barrier to multiparty democracy.

ECONOMIST: The Turkish model