售后服务的英文：
after service
customer service
after-sale service

参考例句：

We have some questions about after-sale services.
我们对售后服务有几点疑问。

Follow - up services that are provided by the sales department;a followup examination after the surgery.
销售部门提供的售后服务;外科手术后的追踪调查

Experience in project,sales and service coordination．
有策划、销售和售后服务协调的经验。

The perfect after service and benefiting consumers gained large quantities of market quotient.
对广大用户的让利和完善的售后服务，赢得了大批市场份额。

In a way good service sells our products.
良好的售后服务在某种程度上促进了我们产品的销路。

after是什么意思：
prep. 在…以后；在…后面；低于；模仿；尽管
conj. 在…之后
adv. 以后，之后；在后面，随后
adj. 以后的，后部的

After you, sir.
先生，您先。

Counsel after action is like rain after harvest
放马后炮

pattern oneself after
模仿样子

service是什么意思：
n. 公共服务系统；公共事业机构；政府机构；帮助，效劳
v. 检修，维修；为…提供服务

overhand service
高手发球

take service with
在￥帮佣

express goods service
特快货运业务

customer是什么意思：
n. 顾客；家伙

Once is no custom
一次不成例

Customize a van.
定做一辆大马车

Customs officers are in charge of the customs inspection.
海关官员负责海关检查。