trade turnover

例句：

1. 1.The company's trade turnover has increased significantly in the past year.
   该公司的贸易周转量在过去一年内显著增加。
2. 2. The trade turnover is a key indicator of economic activity.
   贸易周转量是经济活动的关键指标。
3. 3. The trade turnover can be used to measure the efficiency of a country's import and export activities.
   贸易周转量可以用来衡量一个国家进口和出口活动的效率。