Modeling the real world in software means that you need a tool flexible enough to handle all of the edge cases.

使用软件建模真实世界意味着需要有足够灵活的工具来处理所有极端情况。

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You need a tool that tells you which parts of a program are not being tested so you can write tests for those parts and find more bugs.

您需要有一个工具告诉您程序的哪些部分没有测试到，这样就可以针对这些部分编写测试代码并找出更多bug。

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You need a tool?

你要工具？

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You need a tool?

你要工具？

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