"I'd keep the money as my reward and mail back the wallet with the credit cards." Other students invariably suggest not putting a return address on the envelope so the owner couldn't call and ask if there was money in the wallet when it was found.「我會把錢當作我的獎賞,然後把錢包連同信用卡寄回去。」其他學生總是建議不要在信封上寫回郵地址,這樣失主就無法打電話來問錢包被撿到時裡面有沒有錢了。