Oil field operators made billions of dollars because we had this adjustable rate for charging for power.

油田运营商赚了数十亿美元，因为我们有这种可调节的充电费率。

National currencies would be set at fixed but adjustable rates to the dollar, which was in turn convertible to gold at a fixed rate of $35 per ounce.

固定各国货币对美元的汇率，但汇率可进行调整，而美元又以每盎司35美元的固定汇率兑换黄金。