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.

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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.

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

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