black market exchange

This, however, may push others towards the black market or offshore, further undermining the credibility of the official exchange rate.

然而这会使其它人走向黑市或海外市场，这样就会更加削弱官方汇率的可信度。

Vietnam's currency is consistently falling below the official exchange rates, creating a thriving black market for gold and dollars.

越南盾已跌破官方汇率，仍在不断下滑，并使得黄金和黑市美元蓬勃发展。

Under the foreign exchange cattail, there are still two markets a black market and en called ndf market, while three marks have great differences.

摘要在外汇管制的条件下，与我国正式外汇市场并存的还包括境内的外汇黑市和境外的人民币远期不交割合约市场。