Now that you know how to do simple operations with global variables, this section provides some interesting scenarios that show you how you can use them.

现在您已经了解了如何使用全局变量执行简单的操作，本节将提供一些有趣的场景以展示如何使用它们。

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Now that you know how to do simple operations with global variables, this section provides some interesting scenarios that show you how you can use them.

现在您已经了解了如何使用全局变量执行简单的操作，本节将提供一些有趣的场景以展示如何使用它们。

youdao