/ˌprɒdʌkˈtɪvɪtɪ/
the rate at which a worker, a company or a country produces goods, and the amount produced, compared with how much time, work and money is needed to produce them 生产率；生产效率
high/improved/increased productivity
高的／提高了的／增长了的生产率
Wage rates depend on levels of productivity.
工资水平取决于生产量的多寡。