图17中显示了您如何描述模型中的用户目标，并且将系统的用例绑定到这些目标上。
Figure 17 shows how you can describe User goals in the model, and tie the system's Use Cases to these goals.
作为这篇文章的示例所显示的那样，我们为我们的系统所建立的用户接口将成为我们从相应的参与者透视图得出的用例描述的逆转。
As the examples in this article show, the user interfaces we build for our systems will be the reverse of the use case descriptions we write from the relevant actor's perspective.
将大量的图片显示在系统面前，用不着告诉系统怎样去描述它们。
Instead, the system is shown lots of pictures without being told what they depict.
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