| 释义 |
折旧换新折旧换新[zhé jiù huàn xīn]1.■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 |