call waiting

例句：

1. 1. The customer service representative was very helpful and offered a call waiting option.
   客户服务代表非常乐于助人，提供了呼叫等待选项。
2. 2. The restaurant had a long line and offered a call waiting service to accommodate customers.
   这家餐厅排起了长队，提供了呼叫等待服务来满足顾客的需求。
3. 3.The bank's website offers a call waiting feature that allows you to schedule an appointment with a representative.
   银行的网站上有一个呼叫等待功能，允许您预约与代表会面。