hire purchase
noun [ U ] UK uk/ˌhaɪə ˈpɜː.tʃəs/ us/ˌhaɪr ˈpɝː.tʃəs/ (abbreviation HP); (US installment plan)
分期付款
a method of paying for something in which the buyer pays part of the cost immediately and then makes small regular payments until the debt is completely paid