Cash is the fuel of a business.

现金是企业运行的燃料。

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Failure is the fuel of success, because it shows you where to go and how to make something of your life (instead of spending your free time watching television, for example).

失败是成功的助推剂，因为它告诉你去哪里以及如何取得成功(而不是把空闲时间都花在看电视上，比如说)。

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Scientists have long sought easier ways to make the costly material known as enriched uranium - the fuel of nuclear reactors and bombs, now produced only in giant industrial plants.

科学家一直在寻找更简单的方法制造名为浓缩铀的昂贵材料- - - - - -核反应堆和炸弹的燃料，现在只在大型工厂生产。

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Anyone who uses a device that burns fossil fuel must inspect the equipment carefully to reduce chances of carbon monoxide escaping.

VOA: special.2010.02.02

But Manifest Destiny was in some ways the fuel of the American imagination.

但是命运天定在某种程度上,丰富了美国人的想象力

耶鲁公开课 - 美国内战与重建课程节选

In the meantime, I believe that the U.S. is doing quite a bit of work in terms of raising fuel efficiency standards,

同时，我相信美国在提高燃料效率标准方面做了不少事，

对全球变暖的政策 - SpeakingMax英语口语达人

Once upon a time, America was the Saudi Arabia of whale oil, the fuel of its day.

CNN: America, the Saudi Arabia of tomorrow

But Priory knew that natural gas would become the fuel of choice for virtually all new generating plants.

FORBES: Trading places

Abraham Lincoln said that "the fire of imagination" was added to "the fuel of self-interest" when engineers could get patents.

FORBES