experience on sth：关于某方面的经验经历，强调个人经历经验 Experience On Campus Recruitment熟悉校园招聘 Exchange experience on learning English英语学习经验交流 Experience on lean manufacturing.具备精益生产经验 embark on sth：上（船、飞机等）着手开始做，通常是重要的或者是艰难的事情 China embark on a massive programme of reform. 中国着手进行大规模的改革。 He embarked on a new enterprise. 他着手创办新企业。 employ in doing：从事某事，做某事，之后加动名词 be employed in doing sth 是忙于干某事或者是从事于，事情没有embark on重要艰难 He is employed in doing his homework. 通过例句同学再细细琢磨三个词组的区别
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