mobile parity的用法和樣例：
例句
- A more useful offshoot of absolute purchasing power parity is relative purchasing power parity.
絕對購買力平價一個更加有用的分支是相對購買力平價。 - By revising so-called purchasing power parity statistics, the bank sought a better way to compare wealth and poverty among nations.
該行修訂了所謂的購買力平價統計方法，以求更合理地比較各國間的貧富程度。
