地下钱庄
dì​xià​qián​zhuāng

loan shark

地下钱庄 (地下錢莊) dì​xià​qián​zhuāng
loan shark
an illegal private lending operation that provides loans at predatory or extremely high interest rates
underground bank
an unlicensed or illegal financial institution, often used for money laundering, capital flight, or unauthorized currency exchange

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