订单由包含许多简单类型属性和一个订单行式项目数组的业务对象表示，如图3 所示。

The order is represented by a business object that contains a number of simple type attributes and an array of order line items as shown in Figure 3.

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订单由包含许多简单类型属性和一个订单行式项目数组的业务对象表示，如图3 所示。

The order is represented by a business object that contains a number of simple type attributes and an array of order line items as shown in Figure 3.

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