Pollyannas

the pollyannas of hm treasury were more optimistic than almost any commercial forecaster, and closer to getting their forecast right.

英国财政部的乐观者比几乎任何一家商业预测机构都更为乐观，也更接近实际数据。

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Given how wide off the mark their predictions usually land, you may already be skeptical of the forecasts of Wall Street's finest Pollyannas.

考虑到他们预测通常的离谱程度，你可能已经对华尔街这帮乐观天使的预期抱怀疑态度了。

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