productivity
英 [prdktvti] 美 [prɑdktvti]
n.生产率;生产效率
复数： productivities
例句：
The increase in pay costs was more than offset by higher productivity
提高的生产率抵消了增加的工资成本后仍有结余。
Wages were rising faster than productivity and this was eating into profits.
工资的涨幅高过了生产率增长的速度，从而消耗了利润所得。
