Chinese phrase
可以以旧换新吗？ ké yǐ yǐ jiù huàn xīn ma
Meaning
Can I trade in an old item for a new one?
When to use it
This asks whether an old item can be exchanged for a new one. It is a polite question about a seller's trade-in policy, often used for devices or other goods.
Example dialogue
网上看到有活动，可以以旧换新吗？ wǎng shàng kàn dào yǒu huó dòng ké yǐ yǐ jiù huàn xīn ma
I saw a promotion online. Can I trade in my old device for a new one?
可以，寄回旧机，合格后发新机，也可到店办理。 ké yǐ jì huí jiù jī hé gé hòu fā xīn jī yě kě dào diàn bàn lǐ
Yes. Send back the old device, and we will ship the new one after it passes inspection. The process can also be completed in store.