Correct

退换

/ tuìhuàn /
Strokes

Definition

to replace a purchase/to exchange a purchase

Example

As a Verb

exchange/replace a purchase

1
Huò
货物
shòuchū
售出
  
,
shù
tuìhuàn
退换
  

Goods sold are not returnable.

2
合格
chǎnpǐn
产品
  
,
bǎozhèng
保证
tuìhuàn
退换
  

Replacement is guaranteed if the products are not up to standard. / We undertake to replace any product not up to specifications.