世界银行不向尼日利亚发放美元贷款，而是用石油价格来为贷款标价，同时发行相同数量用石油计价的债券，以此消除世界石油价格波动的风险。
Instead of denominating a loan to Nigeria in terms of dollars, the Bank would denominate it in terms of the price of oil and lay off its exposure to the world oil price by issuing that same quantity of bonds denominated in oil.