Another common point of confusion regarding use of the term "service" is whether it refers to a suite of related operations or a single operation.
使用“服务”这个术语经常导致的另一种混淆是，它是指一套相关操作，还是指单一操作。
The key point is that no single interaction achieves the meaning of the required service operation.
关键是，任何单一交互都不能实现所需的服务操作的目标。
In some cases, the operations performed by the service method were limited to a single operation to demonstrate a specific point.
在一些情况下，服务方法执行的操作仅限于演示特定点的单个操作。
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