您可能需要一个根本不执行任何工作的活动，例如，当您拥有一个需要某个活动的构造，但没有要执行的任何工作时。

You might need an activity that does nothing at all, such as when you have a construction that requires an activity, but there is no work to be done.

youdao

您可能需要一个根本不执行任何工作的活动，例如，当您拥有一个需要某个活动的构造，但没有要执行的任何工作时。

You might need an activity that does nothing at all, such as when you have a construct that requires an activity, but there is no work to be done.

youdao

该拓扑和驱动该拓扑的面向服务的体系结构与过去的点对点构造都是根本不同的。

Both the topology and the service oriented architecture that drives it are fundamentally different than the point-to-point constructions of the past.

youdao