turnover　

turnover　交投量，营业额，成交额　

1.accounting：the annual sales volume net of all discounts and sales taxes.The number of times an asset（such as cash，inventory and raw materials）is replaced or revolves during an accounting period.2.human resource management：the number of employees hired to replace those who left or were fired during a 12month period.3.finance：the volume or value of shares traded on a stock exchange during a day，month，or year.