Don "t leave the engine to warm up in winter; you" re burning petrol unnecessarily.

冬天的时候，不要让引擎空转，这是在不必要地费油。

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You've already identified commerce as a required function and you have a commerce engine that allows a gamer to choose and buy a selection of T-shirts in different sizes and colors.

我们已经确定交易是必需的功能，而且已经有了一个交易引擎，玩家可以通过交易引擎选购不同尺码和颜色的t恤衫。

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They each are wearing jeans and a T-shirt. They tell you that they have this thing called a “search engine, ” and they are naming it — get this — “Google.”

他们都穿着T恤和牛仔裤，他们告诉你，他们有一个叫“搜索引擎”的东西，他们把它成为“google”他们告诉你，只要你把任何单词打进电脑屏幕上的空格里，然后google，敲一个上面写着“我很幸运”的按键。

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It was not until Henry Ford's gas-powered Model T that the internal combustion engine and the car became inseparable.

VOA: special.2010.11.17

We need to believe that the soul, unlike an engine, can't itself be destroyed, can't itself decompose, can't fall apart.

我们需要相信的是，灵魂和发动机不同，自己不会毁灭，自己不会腐烂，自己不会变成碎片。

耶鲁公开课 - 死亡课程节选

But, in an internal combustion engine what happens is we don't have an oxygen tank.

但是在一个内燃机中,如果我们没有氧气罐会发生什么呢。

麻省理工公开课 - 固态化学导论课程节选

Putting new tyres on the car won't make it perform better if the engine hasn't been fixed.

BBC: Cable gives details to MPs of plan to boost UK exports

With so much torque pushing a 565-kilogram car, the engine doesn't need a transmission.

FORBES: Vroom!

But when the new emissions laws take effect, merely tweaking the engine won't suffice.

FORBES: Clearing the Air