However, while changing elites can be costly, the failure to do so can be disastrous.

然而，尽管统治精英的更替代价不菲，但更替失败的话结果将是灾难性的。

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What's got a button to push, knows how to make money while changing the world and is read all over? StumbleUpon!

什么按钮既能赚到钱还能改变世界，并且应用非常普及？

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The program would tell the system that it wanted to keep its capabilities while changing its effective userid.

程序告诉系统，它希望保留它的能力，但是要修改它的有效 userid。

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Yet the report points out that while the AIDS epidemic is changing, prevention programs are not.

VOA: special.2009.12.02

And the difficulty with that approach, even if we break the question, whether not there're souls, the difficulty at the approach was that it seems as though the soul could constantly be changing while the personality who might call stays the same.

这种前提的难点在于，即使我们将问题分解，先不管灵魂是否存在，难点还在于,似乎灵魂可以,不断地改变，而人格,这个重要的方面，却保持不变。

耶鲁公开课 - 死亡课程节选

While changing her sweater, the driver turned the steering wheel over to a passenger.

WHITEHOUSE: Join the Chorus of Voices Speaking Out Against Drugged Driving | The White House

He had been detained while changing planes at John F Kennedy airport in New York.

BBC: NEWS | Americas | Canada-Syria case papers released

This plan reduces wasteful subsidies and erroneous payments while changing some incentives that often lead to excessive health care costs.

WHITEHOUSE: President Obama on Economic Growth and Deficit Reduction