turnover rate
n. 流动率, 转换率, 更新率
例句与用法：
The shop have a turnover of500,000 dollar a week.
该店营业额为每周五十万元。
We aim for a quick turnover of stock in our stores.
我们的目的是要加速本百货店的库存周转。
The firm has an annual turnover of 75 million.
这家公司的年营业额为7500万英镑。
Why does your company have such a rapid turnover of staff?
贵公司人员变动为什麽这麽快?
ph.
【财经】换手率