base rate
noun [ C ] finance & economics UK specialized uk/ˈbeɪs ˌreɪt/ us/ˈbeɪs ˌreɪt/
基本利率
a rate (= level of interest) decided by the Bank of England that banks use when deciding how much to charge for lending money
Your mortgage interest payments are two percent below the base rate. 你的抵押贷款利息比基本利率低两个百分点。