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

Not believing in God is easy—you can't prove a negative, so there's no work to do.

不相信上帝是容易的——因为你无法证伪，所以无需做什么。

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

In other words, debtors are effectively required to prove a negative something which is very difficult even in the best of situations.

FORBES: Marciano - Bankruptcy Debtor Gets Bench Warrant For Contempt After Impossibility Defense Flops

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...'