Click the ellipsis for the relationship expression and add the following logic to the relationship definition.

单击关系表达式的省略号，并向关系定义中添加如下逻辑。

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Transactions running on this system implement business logic and access data necessary for order entry and customer relationship management (CRM).

运行在这个系统上的事务将实现业务逻辑，并且还要访问订单录入和客户关系管理(CRM)所需要的数据。

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Figure 2 shows a simplistic view of the relationship between inputs, application logic, and notification methods or outputs.

图2显示了输入、应用程序逻辑、通知方法或输出之间的简单视图。

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