If a mistake is later detected, then we must backtrack to the point of error and try another alternative. this is called backup .

如果以后发现它是错误的，我们必须退回到点，再试另外的选择。这种方法称为回溯。

youdao

I wanted an opportunity to talk some sense into him and try to make him see the error of his ways.

我想找个机会给他讲讲道理，尽量让他认识到自身的错误。

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For example, some product line members may log error messages, and others may try a predetermined corrective action.

例如，有些产品线成员可能记录错误消息，而其他成员可能尝试执行预定的纠正操作。

youdao

That says it's in here. It's in this tri-block. It raised an exception, but it wasn't and I O error.

这在这里它是一个try程序块,它报出异常，但他不是io错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

Still, the authors said a determined hacker could use trial and error to try dozens of educated guesses on fraudulent credit applications -- or even use a computer to automate the effort.

CNN: Social Security number study raises fears

But Hodgson's error gifted a try to Ian Dowling and Tomas O'Leary and Paul Warwick added further tries as Sale's hopes of qualification evaporated.

BBC: Munster 37-14 Sale

But if the dir command results in the error message "Invalid drive specification, " go back and try again.

CNN: Top 50 Windows tips