Cashier : Is there anything else you would like to buy?
Martin : No, thank you. By the way, in case there's a problem with this CD player, can I return it?
Cashier : Of course, But you must return it within 30 days. And you must show us the receipt.
Martin : Okay.
Cashier : Keep your receipt in the safe place. If something comes up, you can show it to us and we'll give you a refund.
Martin : Thanks for your help.
Martin : No, thank you. By the way, in case there's a problem with this CD player, can I return it?
Cashier : Of course, But you must return it within 30 days. And you must show us the receipt.
Martin : Okay.
Cashier : Keep your receipt in the safe place. If something comes up, you can show it to us and we'll give you a refund.
Martin : Thanks for your help.
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