tax-free exchange

例句：

1. 1. The company offers tax-free exchangefor its customers.
   该公司为顾客提供免税交换服务。
2. 2. During the holiday season, manypeople choose to exchange their old clothes fornew ones at a tax-free exchange.
   在假期期间，许多人选择在免税交换处将旧衣服换成新衣服。
3. 3.The exchange was organized by the local governmentto encourage tourism and boost economic growth.
   这次交流活动是由当地政府组织的，旨在促进旅游业和经济增长。