在危险重重的废料中，在尾矿中，它们以金属为食，日子过得欣欣向荣。
They thrive in hazardous waste dumps and in mine tailings, making a meal out of metal.
然而昨天所展开行动的失败结局显示了特遣部队在危险重重的东非海岸采取行动时所面临的巨大危险。
But the unfortunate outcome of yesterday's operation underscored the formidable difficulties facing taskforces policing the treacherous waters off east Africa.
危险重重的策略可能短期会有报偿，但在长期来看，更高的债务水平会让公司陷入困境，那时候这些高官已经离开了。
A high-risk strategy may pay off in the short term; higher debt levels may sink the company only in the longer term, after the executive has left.
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