This company is our regular customer.这家公司是我们的老客户。She has been a client of our bank for ten years.她已经成为我们银行十年的老客户。You have quite a lot of regular customer so far as I know.据我所知,你们有许多老客户。We always dislike refusing requests of any kind from regular customers, but regret we have no choice but to do so.我们一贯不愿拒绝老客户们提出的任何要求,但遗憾的是我们别无选择,只能拒绝上述请求。Additional Words and Phrasespolicy-holder保险客户potential clients; expected income.可能的客户;预期收入。Salespeople visiting their accounts.推销员拜访了他们的客户A creditable customer.一个信誉卓著的客户I call up a client.我打电话给客户。Our customer is very select.我们的客户是精心挑选的。