通常客户将会知道性能和功能问题出在哪儿；仔细听他们说。

Usually, the client will know where the performance and functionality issues are; listen to them.

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影响性能和功能应被视为比那些只影响外观严重偏差。

Deviations that impact performance and function should be considered more serious than those that affect only appearance.

youdao

为了实现这一目标，文件系统就应该满足其使用者对性能和功能方面的需要。

To do this, a filesystem should meet the performance and feature needs of its users.

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So, if you look at any engineering system, the performance of that engineering system is a function of its design and its construction.

如果你们观察过工程系统，工程系统的性能就是,它的设计和构造的功能。

麻省理工公开课 - 固态化学导论课程节选