translation.en: I think there's -- I don't know what data would impress you, but how about, 43 percent of the refined fuel produced in the world is consumed by cars in metropolitan areas in the United States.
translation.zh: 我不知道怎样的数据才能让你感到震撼 美国大城市里的汽车消耗掉了 全球百分之四十三的精炼燃油