Therefore, our function needs a condition to tell it when to stop.

因此，我们的函数需要一个条件，告诉它何时停止。

youdao

This method is called whenever a custom function needs to be executed.

只要需要执行定制函数，就调用该方法。

youdao

This method is called whenever a custom function needs to be executed.

只要需要执行定制函数，就调用该方法。

youdao