然而，即使是在北极工作的俄罗斯人也不确信自己的国家面临着严重的气候变化问题。

However, even Russians working in the Arctic are unconvinced that their country faces a serious climate-change problem.

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但经济学家认为，俄罗斯面临着一个更为基本的问题——它无法使用石油收入扩大其经济活动和获得外国投资。

But economists say Russia faces a more basic problem — its inability to use oil money to widen its economic activities and gain foreign investment.

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