customer 
英 [ˈkʌstəmə]  美 [ˈkʌstəmər] 
n. 顾客；家伙

例句：
Our customers have very tight budgets. 

我们的客户很会精打细算。

a satisfied customer 

心满意足的客户

The two assistants carried on chatting, taking no notice of the customers. 

两名售货员继续聊天，丝毫没有注意顾客。

Can you think of anything that is likely to change customer attitudes to this product? 

你能想到什么方法可能改变顾客对这一产品的态度吗？

the results of a customer survey 

一项客户调查的结果

We don't get enough customer feedback. 

我们并未得到足够的客户反馈。