Data is often delayed by many months or incomplete and projections can prove wide off the mark.
数据常常会滞后数月或不全面,因而预估值亦可能与实际数字相去甚远。
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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