| 短语 | trade up |
| 释义 | trade up to 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。ˌtrade ˈup1to sell sth in order to buy sth more expensive卖次买好；（卖掉原有的以便）买更贵的东西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。2to give sth you have used as part of the payment for sth more expensive以旧物折价添钱买较贵的东西；折价贴换 |
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