人们当然记得,在并不遥远的1998年,原油是10美元一桶,即使在2003年原油价格还稳定在25美元左右。但进入2004年以后,原油价格不断上扬,终于突破了70美元一桶。美国投资银行高盛的分析报告甚至认为,原油价格最终将超过100美元一桶。种种迹象表明,廉价石油的时代结束了。廉价石油 It is of course remembered that, in the not too distant 1998, crude oil was 10 U.S. dollars a barrel, even though the crude oil price in 2003 remained stable at about 25 U.S. dollars. However, after entering 2004, crude oil prices continue to rise, finally breaking the 70 US dollars a barrel. Analysts at Goldman Sachs, the investment bank in the United States, even believe that the price of crude oil will eventually exceed 100 U.S. dollars a barrel. There are indications that the era of cheap oil is over. Cheap oil