| 词汇 | trade in |
| 释义 | trade in [phrasal verb] trade (something) in or trade in (something) : to sell (something) back to a business as part of your payment for something else（将某物）折价换购 We traded our car in for a newer model.我们把车折价，换购了辆款式较新的车。 Trade in your car and get $3,000 towards a new car!用你的旧车换购新车，折价3000美元！ — see also trade-in trade |
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