初学的计算机科学家也没有什么不同，因为他们想了解程序究竟是如何工作的——它们如何与动态库和本机操作系统交互。

Budding computer scientists are no different in that they want to see just how programs work — how they interact with dynamic libraries and the native operating system.

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授权是关于权限管理方面的，也是交互系统中非常重要的一项功能，特别是定义了工作流的项目。

Authorization is about permissions and is important in corporate systems, particularly those that define workflows.

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因此，用例是关于以下内容的文本描述：希望系统如何工作、将涉及到哪些人以及他们之间如何交互、系统在正常运行时如何工作，以及出现错误时应该如何处理。

So a use case is a text description of how you want the system to work, who's involved and how they interact, how it all works when things go right, and what should happen when things go wrong.

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