A few weeks ago, we showed you some of the planet's worst man-made disasters.

数星期前，我们让您见识了地球上最严重的人为灾难。

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We use caverns for stable storage, for entertainment, and for an effective shelter from natural and man-made disasters.

我们利用洞穴来作为可靠的储存地点，或者用于娱乐，又或者作为躲避自然或人为灾难的有效避难所。

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One clear trend stands out: Mental distress tends to linger longer after man-made disasters, like an oil spill or radiation leak, than after purely natural ones, like a hurricane.

一个突出的趋势是：人为灾难，像石油泄漏和辐射泄漏，造成的心理疾病比自然灾害，像飓风，导致的精神压力持续时间更长。

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Continuing disasters in the Indian Ocean made Indonesia decide it must have a warning system of its own.

VOA: special.2009.03.17

Yet, confidence is being destroyed by a lethal combination of natural and man-made disasters.

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The economic losses from man-made disasters are just as real as those from natural disasters.

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In part, Mr Picou says, this is due to the nature of man-made disasters.

ECONOMIST: The Exxon Valdez