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.
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.
client
n.[C]
1、 委托人，(律师等的)当事人
2、 顾客，客户
He has been a valued client of our bank for many years.
他多年来一直是我们银行的重要客户
customer
n.[C]
1、 顾客买主
The store has a lot of regular customers.
这家商店有许多老主顾。
2、 【口】家伙，小子
Steven is a queer customer.
斯蒂文是个怪人。
【T、SDM】
