Fear of instability has kept money changers busy.

由于人们害怕局势有变，换钱的商贩生意很好。

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Money changers walk around with thick wads of hundred-dollar bills.

兑换外汇的黄牛们带着一打打厚厚的百元美钞走来走去。

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This class constitutes the vast majority of the people, and it comprises such diverse groups as craftsmen, farmers, merchants, manufacturers, and money changers or bankers.

这个阶层由人们中的大多数组成，包括如工匠，农民，商人，制造者，以及银行金融等行业。

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Jewelry dealers are doing a brisk business in Jolo, and the growing pool of dollars is drawing swarms of money changers from Zamboanga.

CNN: For the Love of Money

According to reports, the rial was being traded at 17, 800 to the dollar by money changers in Tehran on Monday, down from 15, 900 on Sunday.

BBC: Iran's rial slides against US dollar on fresh sanctions

According to media reports, money changers in Tehran had stopped selling the US dollar in the hope that they will get an even better rate in coming days.

BBC: Iran's rial slides against US dollar on fresh sanctions