subprime
adjective (also sub-prime) uk/ˌsʌbˈpraɪm/ us/ˌsʌbˈpraɪm/
finance & economics specialized（尤指批准房贷给无力偿还的人的行为）次贷的
used to describe the practice of lending money, especially to buy a house, to people who may not be able to pay it back
subprime mortgages/loans/lending 次贷按揭／贷款／借款