柯林斯詞典roll back (rolling,rolled,rolls) 1. PHRASAL VERB To roll back prices, taxes, or benefits means to reduce them. 削減[美國(guó)英語(yǔ)] One provision of the law was to roll back taxes to the 1975 level. 該法律的一項(xiàng)條款是把稅收削減至1975年的水平。 返回 roll back