measure of effectiveness

• 效果的衡量

measure of effectiveness的用法和样例：

例句

1. All measures of PPP are admittedly imperfect.
   公认地，所有的购买力平价理论的衡量都不完美。
2. The clearest measure of stability is the exchange value of a currency over time.
   对稳定性最完全的衡量就是在时间上看货币流通的交易价值。