单词	marginal tax rate
释义	marginal tax rate noun : the rate of additional federal income tax to be paid on additional income Word History First Known Use 1948, in the meaning defined above
随便看	roughed (up) roughed in roughed it roughed out roughed up roughen roughened roughening roughens rougher roughers roughest roughhearted roughhewed roughhewing roughhewn roughhewner roughhewnest roughhews roughhouse roughhoused roughhouses roughhousing roughies roughing

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