使用 XForms 更简单，可以直接绑定到数据。

With XForms, you can do things in a simpler manner by binding directly to the data.

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一旦选择了服务提供者的一个特定服务，客户就将直接绑定到该服务。

Once a particular service of a service provider is chosen, the client will directly bind to the service.

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首先，必须了解操作代码并未直接绑定到任何具体的视图或视图实例。

First, you must understand that the action code is not directly tied to any particular view or view instance.

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