custom和client区别

custom是顾客的意思，而client则是客户的意思，区别可以从以下例子看出：

As our business open to public we have many customers， but only few clients who is our favorite one， as they are my friends as well. 由于我们的业务向公众开放，我们有很多顾客，但只有少数客户是我们最喜欢的，因为他们也是我的朋友。