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Second , he would change the historical data to which today 's numbers are compared .

其次，他会改变与今天的数据进行比较的历史数据。

That leaves a huge overlap , particularly when compared with the answers american voters give pollsters to similar questions .

这留下了巨大的重叠，尤其是跟美国选民对民意调查机构给出了类似的答案相比较的时候。

Dr. merikangas said she and her co-authors deliberately confined themselves to studies that could be directly compared to the original .

merikangas博士表示，她和合作者们故意把自己限定在了能直接与原始报告相比较的研究中。

These worries are also reflected in the premium that banks pay to borrow euros for three months compared with a risk-free swap rate .

这种担忧也反映在了和无风险交换利率相比较的银行为拆借三月期欧元所付的保险费中。

If they compared themselves instead with america and europe , they might feel heartened enough to make some of the tough choices needed .

相反若他们拿自己同美国和欧洲比较的话，他们也许会受到激励来制定出必要的强硬政策。