In general, if software is not written to be maintainable, then even if it works to begin with, sooner or later you (or someone else) will end up breaking it trying to fix bugs or add new features.

通常，如果软件编写得可维护性不好，那么即使它最开始时可以很好地工作，很快您(或其他人)在修正bug或添加新特性时可能也会破坏程序的正确性。

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