We cannot refund your deposit unless you return the goods within a week.

除非你们在一星期内退货，否则我们不退还定金。

youdao

We could not refund your deposit unless your return the goods within a week.

除非你们在一星期内退货，否则我们无法退还定金。

youdao

We could not refund your deposit unless your return the goods within a week.

除非你们在一星期内退货，否则我们无法退还定金。

youdao