导购口语:

Credit cards are not accepted. We only take cash.
我们只接受现金付款，不接受信用卡。
We accept / take foreign currency.
我们接受外币付款。
We accept / take US dollars.
我们接受美元付款。

语句解析:

Accept / take cash意为“接受现金付款”；foreign currency意为“外币，外汇”。

情景再现:

We can accept / take credit cards.
我店可以刷卡。
Please punch your number. Sign your name right here.
请输入密码，在这儿签字。
I'm sorry, your card isn't going through.
抱歉，不能刷卡。

A: Can I pay by check or credit card?
A：我能用支票或信用卡吗？
B: Sorry, we only take cash.
B：对不起，我们只收现金。