We also accompanied each item in the diagram — use case, business object, user, or whatever — with a line or two of text describing that item's purpose.

我们也为图中的每一项提供了文档—用例、业务对象、用户或者其他项—用一到两行的文字来描述每一项的目的。

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These tests generally encapsulate a set of related steps that achieve a business goal, and they resemble a use-case diagram.

这些测试通常封装了一组相关的步骤，以达到业务目标，而且他们重新绘制了用例图。

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Consider using a business process diagram in place of an activity diagram to visually describe a more complex use case.

考虑一下在活动图中使用一个业务进程图，来可视化地描述一个更加复杂的用例。考虑一下使用简单或者复杂的业务进程图。

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