In this newly competitive environment, oil will trade like any normal commodity, with the Saudi monopoly broken and North American production costs setting a long-term price ceiling of around $50 a barrel, for reasons I set out in January.
在这一新的竞争环境中，石油将像任何普通大宗商品一样交易，沙特阿拉伯的垄断将被打破，北美的生产成本将给长期价格带来每桶50美元左右的上限，原因我在1月已经讨论过了。