例如，当以大宗订单进入一个订单流程。某个经理将受到信号是否有趣。
For example, when a large order enters an order process, it may be interesting for specific managers to receive a signal.
例如，如果你有一个订单流程工作流，本质上说，和审批相关的决策无疑就是业务规则。
For example, if you have an order processing workflow, the decisions which relate to which approvals are necessary are, at their foundation, business rules.
在本示例中，我们使用状态机实现一个简化订单流程。
In this example, we implement a simplified order process using a state machine.
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