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。
Free software on the other hand, is about freedom, not price, and it is designed to give you the ability to study and improve the software for your own needs.
相反,免费软件则主要关注用户的自由,而不是软件的价格。用户可以根据自己的需要对这些软件进行研究和改进。
The cartel requested a study on the effect of invoicing oil in an alternative currency, and an OPEC committee proposed using a basket of currencies to price the commodity.
欧佩克要求对采用另一种货币进行石油结算的影响进行研究,欧佩克一个下属委员会提出用一篮子货币对石油定价。
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