Chinese phrase
可以换〜吗？ ké yǐ huàn 〜 ma
Meaning
Can I exchange ___?
When to use it
Asks whether an item can be exchanged. It is a polite way to ask a shop about an exchange, often when the item is the wrong size or does not fit.
Example dialogue
这件衬衫 可以换 大一号 吗？ zhè jiàn chèn shān ké yǐ huàn dà yí hào ma
Can I exchange this shirt for one size larger?
可以，您把标签和发票拿来，我帮您换好。 ké yǐ nín bǎ biāo qiān hé fā piào ná lái wǒ bāng nín huàn hǎo
Sure, bring the tag and receipt, and I will exchange it for you.