customer service

1. 1.

   The act of providing services to customers before, during and after a purchase.

   在购买前、购买中和购买后向客户提供服务的行动。

2. 2.

   A department that provides services to existing customers.

   为现有客户提供服务的部门。

为现有客户提供服务的部门。；客户服务