translation.en: A hundred years ago, it's certainly true that to drive a car you kind of needed to know a lot about the mechanics of the car and how the ignition timing worked and all sorts of things.
translation.zh: 一百多年前，如果要学车你无疑是需要 知道某些汽车机械原理的 以及定时打火器等各零部件的工作原理。