美国在哥本哈根峰会上作出让步的不确定性笼罩着谈判的进程。
Uncertainty about what the United States can bring to the Copenhagen summit hangs over these negotiations.
的确，在第二季度的大部分时间里，财政的不确定性笼罩着这两个国家：在英国是因为邻近的大选，在德国因为承诺帮助希腊和其他国家。
Indeed for most of the second quarter, fiscal uncertainty hung over both countries: in Britain because of a close election, in Germany because of commitments to help Greece and other countries.
虽然这是最有可能出现的情形，但前景仍然笼罩着相当大的不确定性。
While this is the most likely scenario, considerable uncertainty continues to cloud the outlook.
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