在黑市上，苏丹磅兑换交易比官方汇率低60%之多。

On the black market the pound is trading as much as 60 percent below the official rate.

youdao

昨天你在电话里说要问问有关外币兑换交易方面的问题。

You said on the phone yesterday that you had some questions about foreign exchange dealing.

youdao

张：噢，我懂了。现在我对外汇兑换交易有了较清楚的认识了。非常感谢您。

Oh, , I see. Now, I have a clearer picture of foreign exchange. Thank you very much.

youdao