你不能因任何原因无法完成课程而要求退款。

You will not be entitled to a refund if you fail to complete the course for any reason.

youdao

卖出去的物品，恕不接受任何原因的退款。

Refunds will not be returned for any reason once item being sold.

youdao

另请注意，为了让我们重新发货或退款，我们需要从你们当地的海关证明这个包裹不会因为任何原因被卡住。

Please also be advised that in order for us to issue a replacement or refund, we would need proof from your local customs that the package is not being held for any reason.

youdao

另请注意，为了让我们重新发货或退款，我们需要从你们当地的海关证明这个包裹不会因为任何原因被卡住。

Please also be advised that in order for us to issue a replacement or refund, we would need proof from your local customs that the package is not being held for any reason.

youdao