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 up trade up phrasal verbphr v BBTEXCHANGEto replace something you own with something better, or buy a better type of thing than before 以更好的东西取代；买更好的东西 to/from It also encourages existing home owners to trade up to larger accommodation. 这还可以鼓励现有的房主置换更大的住所。 → trade up at trade2(PHRASAL VERB)
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