| 单词 | trade up/down |
| 释义 | trade up/down trade up/down — phrasal verb with trade /treɪd/ verb ► F0 to buy something, usually a house or car, that is of higher or lower value than the one you already have: » My car is costing me too much to run, so I'm going to trade down to a cheaper model.Thesaurus+: ↑Buying |
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