And remember that your class can have more than one delegate.

请记住，您的类可以拥有多个delegate。

youdao

Replacing one delegate is nice, but we need much more to make queries flexible.

更换一位代表是好的，但我们必须更加灵活，以使查询。

youdao

Replacing one delegate is nice, but we need much more to make queries flexible.

更换一位代表是好的，但我们必须更加灵活，以使查询。

youdao