How to build a commercially viable flying car: first, make it a motorcycle.

怎样创造一辆商业可行的飞行汽车：首先，做一辆摩托车。

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Assuming it can develop a commercially viable product, what is Google's future in the auto industry?

如果谷歌可以研发一款商业上可行的汽车产品，那么它在汽车业的前景将会怎样？

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Lenk believed the gel offered superior enough cooling to produce a commercially viable 40-watt equivalent.

Lenk相信胶体为商用40瓦特当量的灯泡提供了足够的冷却。

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Along the way, its mission to produce a commercially viable electric car attracted skepticism.

WSJ: Day Traders Steer Tesla Higher

But a commercially viable solar-powered car, experts say, is still very far down the road.

CNN: Funny-looking plane designed to make history

Someday someone will find a way to store electric power for long periods, and someday someone may build a commercially viable electric car.

WSJ: Review & Outlook: Electric Car Crash