We've based the design of our settlements, our business models, our transport plans, even the idea of economic growth, some would argue, on the assumption that we will have this in perpetuity.
我们赖以生存的社区设计， 经济学模型，旅游计划， 甚至经济增长的观点，可能有些人会怀疑， 假设我们将会永久持续使用石油。