no-claims bonus

劍橋詞典

an amount by which someone's payment for insurance is reduced , especially for a motor vehicle , because they have not made any claims for a particular period
（尤指汽車保險(xiǎn)在某段時(shí)期內(nèi)沒有索賠要求而享有的）無索償折扣，無索賠贈(zèng)金 返回 no-claims bonus