英语词汇trade-up怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	trade-up
释义	trade-upBrE /ˈtreɪd ʌp/NAmE /ˈtreɪd ʌp/ nouna sale of an object in order to buy sth similar but better and more expensive 卖次买好；以次换好的买卖
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英汉双解词典包含314281条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。