此视图从调用方视图控制器接收JSON数据文件。

This view receives the JSON data file from the caller view controller.

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将服务定义同业务逻辑(控制器)以及数据(实体)访问分离，可确保实体中不会透露任何业务逻辑。

Decoupling the service definition from the business logic (controller) and from access to the data (entity) ensures that no business logic manifests itself in the entities.

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检查连接硬盘驱动器和计算机控制器的数据电缆(大的扁平电缆)。

Check the data cable (large flat cable) that connects hard disk drive to the computer's controller.

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