其次，前面的 Order 的状态转换图可清楚说明订单的有状态行为。
Next, remember how the state transition diagram for the Order clarified stateful behavior of the order.
通过阅读 developerWorks 系列文章“On demand business process life cycle”（请参见 参考资料），可以了解有关如何构建可重用资产来转换订单处理系统的更多信息。
You can learn more about how to build reusable assets to transform an order processing system in the developerWorks series "On demand business process life cycle" (see Resources).
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