A more useful offshoot of absolute purchasing power parity is relative purchasing power parity. 绝对购买力平价一个更加有用的分支是相对购买力平价。
By revising so-called purchasing power parity statistics, the bank sought a better way to compare wealth and poverty among nations. 该行修订了所谓的购买力平价统计方法，以求更合理地比较各国间的贫富程度。
