1. black market
Wikipedia definition
2. Black marketA black market or underground economy is a market in goods or services which operates outside the formal one(s) supported by established state power. Typically the totality of such activity is referred to with the definite article as a complement to the official economies, by market for such goods and services, e.g. "the black market in bush meat" or the state jurisdiction "the black market in China".
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Read “闇市” on Japanese Wikipedia
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