皮尤研究机构的新研究显示过去20年期间，离婚率下降，但与此同时，结婚的人数也少了许多。
New studies by Pew Research show the divorce rate has declined over the past 20 years, but at the same time, fewer people are getting married.
现在，不同种族之间的联姻比以往任何时候都要多，皮尤研究中心（美国调查机构）一份报告的作者如是说。
Marriages between spouses of different races and ethnicities are more common than ever before, say authors of a report by the Pew Research Center.
皮尤全球气候变化中心（另一个智囊机构）正在进行另一份研究，这份研究利用能源价格上升对各行业的影响，把碳价格估计定在15美元每吨。
Another study under way at the Pew Centre on Global Climate Change, another think-tank, sizes up a $15 carbon price using data on the past effects of rising energy prices on industry.
皮尤全球气候变化中心（另一个智囊机构）正在进行另一份研究，这份研究利用能源价格上升对各行业的影响，把碳价格估计定在15美元每吨。
Another study under way at the Pew Centre on Global Climate Change, another think-tank, sizes up a $15 carbon price using data on the past effects of rising energy prices on industry.
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