1960s; earliest use found in JEMF Quarterly. From rack + job, after rack-jobbing, rack-jobber.
1960s; earliest use found in The Economist. From rack + job, after rack-jobbing, rack-jobber.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。