大客户的另一常见需求是与他们的采购系统的交互，以便购买订单能够自动地输入进商业环境中。

Another frequent requirement of large customers is integration with their procurement systems, so that purchase orders are automatically punched into the commerce environment.

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只为购买交互建模。

Only the purchase interactions are modeled.

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当然也不需要购买、安装或配置任何主要组件来支持 Ajax 前端和 RESTful Web 服务之间的交互。

There is absolutely no need to buy, install, or configure any other major component to enable effective interaction between Ajax front ends and RESTful Web services.

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