Federal fuel economy standards languished in Congress, and average vehicle mileage dropped to its lowest level in decades, but the Prius showed people that another way is possible.
美国国会的燃油经济标准已每况愈下，而且车辆的平均里程数也跌至数十年来的谷底，但Prius油电混合车的问世，显示人们还可以另有选择。
Federal fuel economy standards languished in Congress, and average vehicle mileage dropped to its lowest level in decades, but the Prius showed people that another way is possible.
美国国会的燃油经济标准已每况愈下，而且车辆的平均里程数也跌至数十年来的谷底，但Prius油电混合车的问世，显示人们还可以另有选择。
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