Carl benz and his contemporary gottlieb daimler are important because they are really the first people to , not only come up with , in their case , gasoline - powered road vehicles , but they persisted at it , and eventually developed vehicles that they sold for market 卡尔本茨和他同时代的戴姆勒都是重量级人物，因为他们不仅是提出用汽油来发动汽车的第一人，而且还都坚持将想法变为现实，最终汽油发动的汽车在市场上销售。
But , still , there is only one tool , and it cannot be used simultaneously to crank up the engine , fine - tune the fuel injection , strengthen the bumper , oil the shock - absorber and give the many trusting passengers a smooth ride . having regard to the experience in other jurisdictions , my answer to the question is , i am afraid , an affirmative one 但说到底还不是只有一种工具可用，而且也不能期望它有万能神效，可以同时做到发动汽车引擎微调汽油供应强化防撞装置为避震系统上足润滑油，使受惊的乘客能安坐车中，顺利到达目的地。
