电动踏板车滑行通过主题公园，仓库和硅谷周围沿人行道，但在其他地方很少见到。
Segways glide through theme parks, around warehouses and along Silicon Valley pavements, but are seldom seen elsewhere.
发明人迪安·卡门展示了他的人体运输车—双轮电动踏板车，其每日运转的费用不到10美分。
Inventor Dean Kamen displayed his Human Transporter, a two-wheeled, motorized scooter that costs less than US10 cents a day to run.
我不知道如果人们将使用电动踏板车，以避开在20年时间的城市，但我知道他们不会使用汽车。
I don't know if people will be using Segways to get around cities in 20 years' time, but I do know they won't be using cars.
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