业务接口模式不是避免远程对象设计中不匹配的方法的唯一方法。

Note that the Business Interface pattern isn't the only way to get around mismatched methods in remote object design.

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execution()一句的类型定义了匹配的方法。

The content of the execution() clause defines the method to match.

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两种方法都可以使用，可以选择与脚本的其他部分最匹配的方法。

Both methods are available, and you can choose the one that best meshes with the other parts of your script.

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