translation.en: So, traffic keeps flowing, so that means less braking, which means less accelerating, less gas and less pollution, less time wasted, and that partly accounts for Europe's better efficiency than we have in the United States.
translation.zh: 只要交通流畅，司机就不会踩急刹车 也就不会加速，也就不会浪费燃油污染环境 也不会浪费时间 欧洲就是这样提高能源效率的 他们比美国做的好