My conclusion is that a good indication of this moving equilibrium does exist: the five-year forward oil price, or the amount paid for guaranteed delivery of oil five years from now.
我的结论是，证明这个动态平衡点存在的一个有力指标是：五年远期石油价格，或是从现在起五年后保证交付每桶石油所支付的金额。