由于其简单，键值存储对于较小系列的作业非常有用，而且可以非常快速地执行那些作业。

Because of their simplicity, key-value stores are useful for a smaller set of jobs but can do those jobs very quickly.

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对于一个良好的面向对象的方法来说，您将创建一个特定的类来管理所有必要的状态键值。

For a good object-oriented approach, you will create a specific class to manage all the necessary status key values.

youdao

对于那些关于浅拷贝：这种类型的作业只会成为新的顶级键值。

For those wondering about shallow copies: this sort of assignment only makes new values for the top level keys.

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