对于验收测试，当被适当地执行时，用例缩小了测试人员概念化和用户目标现实之间的距离。
For acceptance testing, when properly implemented, use cases shorten the gap between the tester's conceptualization and the reality of user goals.
因为反映具体结果的用例早就被交付，一个全球测试团队有足够的时间来开拓对这个用户目标良好的理解。
Because use cases reflect specific outcomes and are delivered early, a global test team has more time to develop a well grounded understanding of the user goals.
对于识别和创建单元、功能、系统集成，以及用户验收测试来说，用例和相应的支持工件是价值无法估量的驱动。
Use cases and the supporting artifacts are invaluable drivers for identifying and creating Unit, Function, System Integration, and User Acceptance tests.
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