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 简明释义 n.以次换好的买卖网络释义 1 ?升级 ... conference backdrop 会议背景幕 trade-up 升级 ease of maintenance/repair 维修的容易度 ... 短语 1 trade up 买更贵的东西 ; 韐豢 ; 将手中的东西折价换取更重要的同类东西 2 Trade Up with Installments 分期付款以旧换新 ; 分期付款 3 Trade Up A Bit 贸易一点双语例句 1 But the 4s May not be the only device causing smartphone users to trade-up and buy. 不过，iPhone 4s手机可能并非导致智能手机用户升级购买的唯一设备。 2 We're going to trade up to a larger house. 我们打算卖掉房子，再买一座大点的。《牛津词典》 3 Often they "trade up", leaving riskier, smaller firms for larger and more stable firms. 他们经常“升级”，离开风险大、规模小的公司，跳槽到更大、更完善的公司。
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