ANYONE whose mobile phone has ever run out of juice-which means, these days, more than half the world's population-will like the idea of getting electrical power out of the air.

任何一个手机曾经没电的人(这在今天意味着全球半数以上的人口)都会喜欢从空气中获取电源的想法。

youdao

If you are working towards someone else's dream, desire or idea of what is right you likely won't feel very enthused to get it done and will run out of steam very quickly.

如果你在朝别人的梦想、愿望或正确的观念工作，你可能不会觉得很有热情实现它，并会很快的失去动力。

youdao

It is generally a good idea to reserve at least one percent to give you a minimal buffer before you completely run out of space.

通常好的做法是至少保留百分之一的空间，以便在完全用尽存储空间之前，提供最低限度的缓冲区空间。

youdao

Just a few short weeks ago, as loyal readers of this column will recall, a public consensus was gelling around the idea that the Fed had run out of effective monetary tools, and the major indexes were sinking fast.

FORBES: Captain Bernanke At The Helm Of The QE2 Hopes To Avoid A Titanic Outcome

Then, the Obama Administration decided to scrap those years of work and plow under those mountains of money for a bright new idea: develop a single national system, run out of Washington.

FORBES: The Obama Doctrine: Decide In Secret, Impose In Public

Research from LV Car Insurance shows that nearly a fifth of drivers they interviewed had no idea when their licence would run out, even though the expiry date is clearly shown on the front of the licence.

BBC: Driving licence fines threaten two million drivers