There is oil aplenty of other sorts (tar sands, liquefied coal and so on), so the stuff is unlikely to run out for a long time yet.

• 世界上还有如沥青砂，液化煤等多种形态的油，所以这种东西在很长时间内不会流干，只是生产成本将大幅增加，基础价格远远超过今天的价格。