You obviously don't need to build a flying iron man machine to achieve unwavering success, but you should be solving an aching problem in your industry.

当然，要想立于不败之地，你不用打造一套会飞的钢铁人外壳，但你可以解决一个困扰你行业的问题。

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But the real problem is man, not the machine.

但是问题的关键在于人而非机器。

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With industry design being the same, mutual design synthesis project, man-machine and factor of market, the problem to users puts forward the solution.

和工业设计一样，交互设计综合了工程、人机和市场的因素，对用户的问题提出解决方案。

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