This process is nearly perfect, but mistakes happen.

这个过程几乎是完美的，但错误发生。

youdao

Not only this will happen but you will also look for his slightest mistakes then use them as proofs for what you have been told about him!

不仅这个将会发生，而且你也会寻找他最轻微的错误，然后将此作为他人告诉你他是怎么样的人的证据。

youdao

Again, remember that mistakes happen, but acting honorably should always be the first order of business.

再一次提醒，记住，错误已经发生，真诚的采取行动是第一要务。

youdao

Mistakes do happen, but for one postie, stashing and burning the mail was the answer to meeting the demands of his round.

BBC: NEWS | UK | Snail mail failure's worst cases

Are we better off slowing down our organizations and blocking collaboration altogether (thereby forcing users to go around the system), or accepting that mistakes will sometimes happen but having the awareness and ability to immediately respond?

FORBES: The Open Social Enterprise

But what makes them happen is policy mistakes: closing your economy, blocking capital flows, ignoring banking collapses, blaming foreigners, choking off the money supply.

ECONOMIST: Asia and the abyss