Generally, technical people who understand UML and use-case modeling have trouble looking at a use case from the user point of view.
通常情况下，理解UML和用例建模的技术人员在从用户的角度看用例时都会有麻烦。
Developers, testers and managers can search this database by use case name and view the related sequence diagrams in a browser.
开发者、测试人员和经理都可以通过用例名来搜索这个数据库，并在浏览器中查看相关的序列图。
Take the same underlying instances and drive the test from the Use Case point of view and you get quite a different picture.
抓住下面相同的实例，并从用例的角度出发来驱动测试，你就会得到完全不为同的情形。
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