As a first step toward iterative development, consider one or more functional prototypes during the requirements and design phases.

作为向迭代开发转换的第一步，在需求和设计阶段考虑一个或者更多的功能原型。

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One major step foreword in design savvy was getting away from the pixel fonts of yester year and saying I’m ok with a size 28 font.

设 计之前一个主要的步骤是想到不要用那些很久之前用的像素字了，然后说我觉的28号字很好。

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In each iteration, you do some requirements, design, implementation, and testing of your application, thus producing a deliverable that is one step closer to the final solution.

在每次迭代中，你完成一些需求，设计，实现，和对你的应用程序的测试，因此产生了一个距最终方案更进一步的发布。

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According to Gruber, that's just one step below "design verification test, " which is what that stolen iPhone 4 prototype was -- meaning the CDMA iPhone is apparently just two hops away from production.

ENGADGET: CDMA iPhone in engineering tests, may arrive in January, says John Gruber

His response, in 1999, was to step back from his ready-to-wear design duties, handing the reins to one of his young designers in order to focus on a new project: A-POC, which stands for A Piece of Cloth, a revolutionary seamless tubelike fabric.

WSJ: Progressive Dress | Designer