立即返回信用卡检验结果可能是很重要的，但是不需要让订单系统马上确认订单的所有内容都是有效的。
You may decide that it is important to immediately return the credit card verification, but you may not need to get confirmation from your ordering system that all the components are available.
系统等待运输部门确认订单已装运的响应。
The system waits for a response from the shipping department confirming that the order was sent.
例如，在一个项目订单从前端应用发送给订单系统的时候，一封要求确认的电子邮件也可能同时被发送给客户。
For example, when an item order is sent from a front application to the ordering system, an email can also be sent to the customer for confirmation.
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