If designers make faulty assumptions about what a persona can do, they may design a product that such a person could not actually use.

如果设计人员对角色所做的事情有不完善的设想，那么他们可能会设计出那种人不能实际使用的产品。

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Bridging the gap between requirements and code with a design model is critical; it catches mistakes and faulty assumptions long before development and testing.

使用设计模型来连接在需求和代码之间的鸿沟是重要的；设计模型可以在开发和测试之前很久捕获错误和有问题的假设。

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Yet a faulty transmission system has already delayed production for a year – Mr Musk blames a design decision by the first CEO, who left under a cloud late last year.

然而，有缺陷的传动系统已经使生产推迟了一年，马斯克将其归咎为第一任首席执行官的设计决策——这位首席执行官在去年底黯然离任。

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But the immediate cause of the flooding was the failure of floodwalls and levees that were guaranteed to withstand a Katrina-sized storm surge, but failed thanks to faulty design and construction by the Army Corps of Engineers.

FORBES: The Blurring Line Between Natural and Manmade Disasters

The President has a couple of times this week cited the Minnesota bridge collapse in 2007 as a reason the U.S. should invest in infrastructure, but the NTSB said the collapse was because of faulty design, not maintenance.

WHITEHOUSE: Aboard Air Force One En Route Washington, D.C.

Clearly, if intelligent design was responsible for the modern golfer, this faulty swing would have been corrected over time.

NPR: The Golf World's Biggest Controversy