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Simply dial a code into your phone and wait for the driverless car to arrive at a nearby station.

简单到只要用手机拨一个电话号码，然后在附近的车站等着无人驾驶汽车的到车。

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To check out a book, students swipe a bar code placed inside the book at a computer station, which then asks for them to press their thumb on a fingerprint scanner.

学生借一本书，必须先由电脑扫描书本内页条形码，然后再由他在指纹扫描仪上按压自己指纹。

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That's handy for the train-schedule app, since Mr. Strange recently added a feature that lets users search for the nearest station to a postal code but he's not sure anybody needs or uses it.

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Members would have a PIN code to release a bike from a docking station, returning it after their journey.

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In the meantime, businesses need to keep empowering each of their employees to crack their engagement code so we can get this train out of the station.

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