Perhaps you get a bug report from a user in a particular configuration.

用户可能会报告在某种配置中遇到了bug。

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bug And maybe by understanding why it worked on a and not on b, you'll get a lot of insight that you won't if you just focus on the bug.

发现很多东西，而你只关注,本身的话就发现不了这么多东西,如果知道你的程序至少还对。

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Many patients now worry, with reason, that if they end up in hospital they may get a nasty bug.

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Dimitri "didn't have to be a rocket scientist" to get into Microsoft's server using a known security bug, and theoretically he had the opportunity to do damage once achieving access, said Paul Zimski, a security researcher at Internet security firm Finjan Inc.

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