point-of-sale device

例句：

1. 1. The store has installed a new point-of-sale system to improvecustomer service.
   该商店安装了新的销售点系统以提高客户服务。
2. 2. The cashier at the supermarketuses a point-of-saleterminal to process transactions.
   超市收银员使用销售点终端来处理交易。
3. 3. The restaurant isequipped with a point-of-sale system that allows customers to order foodonline.
   这家餐厅配备了一个销售点系统，允许顾客在线订购食物。