This severe bout of illness has done serious damage to his health.

这场大病损伤了他的体力。

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But analysts point out that, since the last serious crisis broke out in 2006, Europe has done very little to avert shortages.

但分析家指出，自2006年爆发上一次严重危机，欧洲几乎没有采取行动了来避免短缺。

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“So far, almost no serious research has been done on noncancer health effects, ” says Okeanov.

“到目前为止，我们还没有做过·针对非癌疾病方面的严肃研究，”奥卡诺夫说。

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Many a garden-variety white-collar criminal has done serious time for far less egregious behavior.

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The spill, though at last contained, has done serious damage to two linchpins of the south-eastern Louisiana economy: oil and fishing.

ECONOMIST: New Orleans five years after Katrina

He has done serious artistic work, directing acclaimed, slightly gritty films such as The Town and Gone Baby Gone, as well as work on changing his image and personal brand.

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