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。

youdao

He added that the mood in the City was reminiscent of Black Wednesday, in September 1992, when the UK crashed out of the European Exchange Rate Mechanism.

他还说，现在罗马的气氛让人想起1992年9月的黑色星期三，英国退出欧盟货币汇率机制。

youdao

Black: I have been reading a great deal recently about exchange-rate fluctuations, payment balances, clean and dirty floats, and the International Monetary System.

布莱克：最近，我读了大量有关外汇汇率浮动、收支平衡、不受限制的和受限制的汇率浮动以及国际货币制度的材料。

youdao

In Zimbabwe, the black-market exchange rate is nearly ten times the official one.

ECONOMIST: Zimbabwe

Venezuela Keeps Official Exchange Rate Despite Flourishing Currency Black Market Trade.

CENTERFORSECURITYPOLICY: Venezuela Brief: Countdown to Tyranny I

Now, dollars sell on the black market at three times the official exchange rate and Maduro has had to devalue Venezuela's currency, the bolivar, twice this year.

NPR: Tensions Up In Venezuela After Polls Close