如果您存储的是数字或字符串等标量值，那么将返回这些内容。

If you stored a scalar value like a number or string, then that is what will come back.

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每个标量都有唯一的值，或者是字符串或者是引用。

There is only a scalar in memory, and it contains a scalar value.

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到目前为止，该系列文章一直关注单个标量函数(数值、字符串和布尔值)的使用。

So far in this series of articles, we've been restricted to the use of single scalar values (Numbers, strings, and booleans).

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