Solar energy can be captured by the LEGO solar Cell and used to power a model Ferris wheel, solar car, or test car.

太阳能可以捕捉到乐高太阳能电池和用于驱动模型摩天轮，太阳能汽车，或测试车。

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In a second test the car was trained to recognise four patterns, enabling the driver to accelerate or decelerate the vehicle.

在第二次测试，这款车被训练识别四种模式，除了向左、向右外，驾驶者还能通过“想”使车辆加速或减速。

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Few people buy clothing or shoes without trying them on, and you'd likely never go through the hassle of buying a car without a test drive first.

几乎没有人在买衣服或鞋的时候不试穿一下，你大概从来没有不试车就买车的经历吧。

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It then asks if they have trolled the Internet for car information, visited a dealership or taken a test drive, among other questions.

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But the Department for Transport said it had no plans to install in-car breathalysers in cars - or to use them to test drink-driving offenders.

BBC: David Nutt suggests alcohol sensors 'in every car'

There were demonstrations that allowed you to play music on headphones, test if products were genuine or counterfeit, or that let you replace your car keys or your house keys with just your phone.

WSJ: Is NFC Finally Becoming Mobile's Next Big Thing?