A string constant identifies the specific event, and you can have one or more constants in each event class.

一个字符串常量识别一个特定事件，一个事件类中可以有一个或多个常量。

youdao

But what happens if a string must be decomposed using one or more complex rules?

但是如果必须使用一个或多个复杂规则分解字符串会发生什么情况？

youdao

Create one more attribute local_name and set its type to String.

再创建一个属性local_name，并将其类型设置为String。

youdao

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