另外，目前资源贫乏的国家使用的能源比20或30年前增加了，它们必须进口更多的价格更昂贵的石油。

In addition, the resource-poor countries are using more energy than they did 20 or 30 years ago, and must import greater amounts of more costly oil.

youdao

昂贵的石油已经增高了消费价格，但是将来价格增长的期望值仍然很稳定。

Dearer oil has pushed up consumer prices, but expectations of future price increases have remained remarkably stable.

youdao

巴西的海上石油将会昂贵并且难以开采。

Brazil's offshore oil will be expensive and difficult to recover.

youdao