client 和customer的区别：
1、Customer 通常译为顾客，a person who purchases goods or services from another; buyer; patron。从他人处购买货物或服务的人；买主；赞助人。
2、Client 通常译为客户，a person or group that uses the professional advice or services of a lawyer,accountant,advertising agency,architect,etc。使用如律师、会计师、广告经纪、建筑师等专业咨询或服务的个人或团体。
拓展资料
client的用法
1、The company required clients to pay substantial fees in advance.
公司要求客户预付一大笔费用。
2、I have an ethical and a moral obligation to my client.
我对我的当事人负有道义上的责任。
3、He stood up, signalling to the officer that he had finished with his client
他站起身，向警察示意他和他的当事人已经谈完了。
4、He might have been murdered by a former client or someone harbouring a grudge
他可能已经被以前的客户或某个对他怀恨在心的人谋杀了。
5、Now and then I referred a client to him.
我不时地介绍客户给他。
customer的用法
1、Our customers have very tight budgets.
我们的顾客很会精打细算。
2、She's a real cool customer.
她是个很冷静的家伙。
3、We also improved our customer satisfaction levels.
我们也提高了顾客满意的标准。
4、They are also attempting to keep the car buyer as a long-term customer by offering after-sales service.
他们也正试图通过提供售后服务来使该汽车采购商成为长期客户。
5、In some cases, US industry has lost sight of customer needs in designing products
某些情况下，美国工业在产品设计上忽略了客户的需求。