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These four economic and financial uncertainties have notable socio-political dimensions .

这四大经济和金融方面的不确定性具有显著的社会政治维度。

Such uncertainties should worry a prudent african finance minister .

这种不确定性会让谨慎的非洲财长感到忧虑。

Just as striking are the many huge uncertainties .

同样惊人的是许多巨大的不确定因素。

There are lots of uncertainties in climate science .

在气候科学中还有很多的不确定因素。

How these various uncertainties resolve themselves will not be known for years but two assertions look pretty safe .

不同的风险如何相互抵消将不得而知，但有两个论断是确定无疑的。