在发达国家，随着越来越多的人搬到城市中心，汽车使用量正在下降，而年轻人更倾向于选择其他出行方式。

Across the developed world, car use is in decline as more people move to city centres, while young people especially are opting for other means of travel.

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一旦无人驾驶汽车真正开始销售，最早使用人将是那些能买得起的人。

Once driverless cars are actually available for sale, the early adopters will be the people who can afford to buy them.

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最近的一项调查显示，44%的美国人希望使用自动驾驶汽车，尽管34%的人认为它们会使道路更加危险。

A recent survey shows that 44 percent of Americans want to use self-driving cars, although 34 percent believe that they will make the roads more dangerous.

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