人物角色不仅使得设计方案能够更好地服务于真实使用者的需要，而且也使得设计方案对利益关系人更具有吸引力。

Not only do personas help make our design solutions better at serving real user needs, but they also make these solutions more compelling to stakeholders.

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使这些想象尽可能真实，使用尽可能多的感官，并且要经常这样做。

Make the image as real as you can, use as many of your senses as you can, and do this as often.

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如果能够使用真实的依赖项，就应该这么做。

If you can use the real dependency, do so.

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So, ask yourself frankly especially when it comes to designing your own tools and your own programs whether it's for real users to use, whether it's for your research group to use in some other field, you know, where do you even begin?

坦白讲，问一问你们自己,当你设计一个工具，一个程序时,它是否是为真实用户使用的，还是为在其他领域的,研究团队使用的，你们懂的，你从哪里开始？

哈佛公开课 - 计算机科学课程节选

In order to compute using this formula you have to know the true probabilities.

使用这些公式之前,必须知道真实的概率值是多少

耶鲁公开课 - 金融市场课程节选