很多业务流程需要直接对使用同步绑定调用的服务返回的错误信息进行分析，以便恰当地定向后续处理。

Many business processes need to immediately examine error information returned by a service invoked with a synchronous binding, allowing them to direct subsequent processing appropriately.

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传输结构体被用于与用户设备通信以将选出的内容和广告信息从信息服务提供到设备用户中的所定向的设备用户。

Transport structures are utilized for communicating with the user devices to provide selected content and advertising information from the information service to targeted ones of the device users.

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