To borrow an image from Jim Butcher (one of my favourite authors), it’s like lifting an engine block out of a car.

借用我最喜欢的作家吉姆.巴切笔下的一个形象说法，就象从车里抬出引擎。

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Rockets can be made up of multiple sections, known as stages, each of which contain an engine and can be jettisoned when their fuel runs out.

一枚火箭可能会由多个部分组成，每一个部分称作一级，每一级又包含各自的引擎。当某一级的燃料耗尽时就回自动脱离火箭。

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Geithner argues that major exporting nations can no longer look to the United States as an engine that will pull their economies out of recession.

VOA: standard.2009.09.25

You might have read over Thanksgiving weekend a piece by friend-of-the-blogger Martha Irvine of The Associated Press, who wrote about the continually recession-proof industry of youth sports, an economic engine that shows no sign of burning out thanks to ever-more parents throwing bigger and bigger piles of money into stove to stoke its fire.

FORBES: Youth Sports Arms Race Reflects Successful Exploitation Of Reasonable Parental Anxiety

Selloscope, the new SaaS, data crunching recommendation engine out of Dallas, is an aptly-named guide to this religion and CEO Jeb Stone is both fun and a source of insight on what we do when we buy.

FORBES: How The $1million Netflix Prize Spurred a Radical Innovation, Accidentally

The day ended early for BMW Sauber driver Robert Kubica, who appeared to suffer an engine failure as he accelerated out of the hairpin at Turn Seven - sending thick white smoke into the Abu Dhabi night sky.

BBC: Kovalainen top as McLaren shine