customer service 客户服务;售后服务
1 refund 退还;偿还;付还 n.退款;偿还，偿还额.
2 maintenance 维护，维修;保持;生活费用
3 exchange 调换;更换
4 warranty period保修期
5 claim 索赔;断言;值得
售后服务的几种表示方法:
customer service, after-sales service, client service.
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单词延伸
1 refund
reimburse 偿还;赔偿
refundment 退款;退还
refine 精炼，提纯;改善
refundable 可退还的;可偿还的
2 maintenance
on site service 现场服务
repair 修理;恢复;补救
after-sales service售后服务
maintain 维持;继续;维修;主张
3 exchange
swap 调换
replace 取代，代替;替换，更换;归还，偿还.
transpose 调换;移项;颠倒;顺序
exchanger 交换器;交易所;交换程序
4 warranty period
guarantee period保修期
maintenance period保养周期
length of warranty保修期
defects liability period保修期
5 claim
reparation 赔偿;修理;赔款
compensation 补偿;报酬;赔偿金
claimant [贸易]索赔人;提出要求者
claimer 申请者;索赔人
语境记忆
Can I refund this ticket?
我可以退这张票吗?
I'll be happy to reimburse you for any expensesyou've had.
我很乐意报韦削尔的所有花费。
Surgical techniques are constantly being refined.
外科手术技术正在不断得到完善。
As I haven't got what I want, I would ask forrefundment.
我会要求退款的，因为我没有得到我想要的东西。
A refundable deposit is payable on arrival.
货一到就把押金退给你。
The window had been replaced last week duringroutine maintenance.
那窗在上星期的例行检修中已被换掉了。
Can you repair the window?
你能修理一下窗户吗?
They are also attempting to keep the car buyer as along-term customer by offering after-sales service.
他们也正在努力，通过售后服务使这位汽车买家成为他们的长期客户。