虽然启动引擎确实需要少量的油，但如果你滑行的话，你实际上可节省更多的油。

While it does require a small amount of fuel to start the engine, you actually save more fuel if you coast.

youdao

生活中的操作从来不需要确认：当你旋转钥匙的时候，汽车不会问你：“你真的确定想要启动引擎么？”

Other operations in life don't require confirmation. Your car does not ask, "do you really want to start the engine?" when you turn the key.

youdao

你不能总摆脱头痛的干扰，不过你确实可以在街边货车司机尝试启动他的引擎的时候把窗户关上。

You can’t always get rid of a headache, but you can close the windows if the driver of a truck is outside revving his engine.

youdao