| 字词 | 折旧换新 |
| 释义 | 折旧换新 zhé jiù huàn xīn trade in an old (bicycle, etc.) for a new one; give sth. to a seller as part payment for a new thing; take the old (car, etc.) as a trade-in; take the old (car, etc.) as part payment on a new one; trade in sth. old for a new thing |
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