名词
中文翻译：黑市价格
同义词：
['under-market rate', 'unofficial rate', 'informal rate例句：1. The black market ratefor gold has been increasing rapidly.（黄金的黑市价格迅速上涨。）2. The government is tryingto regulate the black market rate of oil.（政府正试图对石油的黑市价格进行管制。）3. The black market rate of thiscommodity is significantly higher than theofficial one.（这种商品的黑市价格远高于官方价格。）']
例句：
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1. The black market ratefor gold has been increasing rapidly.
黄金的黑市价格迅速上涨。
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2. The government is tryingto regulate the black market rate of oil.
政府正试图对石油的黑市价格进行管制。
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3. The black market rate of thiscommodity is significantly higher than theofficial one.
这种商品的黑市价格远高于官方价格。