使美国化

They estimate this would allow the Omani outcrop, which extends down some 5km, alone to absorb some 4 billion tonnes of carbon dioxide a year, which is a substantial part of the annual 30 billion or so tonnes of the gas that humans send into the atmosphere, mostly by burning fossil fuels.

他们估计这将使阿曼这绵延五公里的露出地面的岩层，仅其一年就能吸收40亿吨二氧化碳，这相当于人类每年向大气中排放的300亿吨气体的很大一部分，这些气体主要由于人们燃烧化石能源产生的。

The study found small, stable countries part of regional blocs, such as the European Union, were most likely to be highly ranked.

研究发现，欧盟等地区集团中稳定的小国，最有可能获得较高排名。