换货

huàn huò hé fù kuǎn xié dìng

换货和付款协定

goods exchange and payments agreement

huàn huò xié dìng

换货协定

barter agreement

qǐng zhǔn bèi hǎo suǒ xū huàn huò de shāng pǐn

请准备好所需换货的商品。

Please get all the goods to be exchanged prepared.