With no official energy policy, the power firms look sure to go for the easiest option-building more gas plants, which are cheap, relatively clean and quick to build.

由于没有官方的能源政策，电力公司肯定要选择最容易的做法——修建更多的天然气站，这不仅便宜，而且相对清洁，修建速度也快。

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A top TEPCO official acknowledged it could take a long time to clean up the complex.

东京电力公司的一位高层主管承认清理整修核设施需要很长一段时间。

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These clean zombie powder service claims how convenient and easy to use, the use of technology without interruption, official authorization, safe and sound.

这些清理僵尸粉服务都声称自己有多么便捷好用，使用的技术无打扰、官方授权、安全无害。

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But IMF official Marek Belka says Europe also must clean up its banking system.

VOA: standard.2009.04.24

Plainly, persuading Filipinos that a top official is clean seems about as hard as assuring them that justice is done.

CNN: Senator Fernan's 10-year crusade for speedy justice

How would it be possible, considering that the Obama administration has scrubbed its official language clean of any unflattering reference whatsoever to Islam and will brook no criticism of it?

CENTERFORSECURITYPOLICY: Mr. X and the New Cold War

The offers of sex-for-cash with which The Economist's correspondent and most other male visiting journalists were bombarded (for all the official efforts at a clean-up) during John Paul's visit do not spring solely from the fact that Cuba is poor, foreigners rich and dollars worth having.

ECONOMIST: Brother Fidel and the women of Cuba