Sending a business object as a request to an application so that the application creates, deletes, or updates a specified entity.
向应用程序发送业务对象作为请求，让应用程序生成、删除或更新一个指定实体。
For technologists, the same series of events reflects the change in state for object representing the main business entity.
对技术人员来说，同一事件序列反映了代表业务实体对象的状态变化。
Often called a business object, you can think of such a purchase order as an important entity in the application domain.
通常称为业务对象，您可以将这类订单看作应用程序域中的一个重要实体。
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