proof of purchase
购买凭证
失分提醒
投诉与索赔所需，收据或银行记录均可
真题改编里的原句
Yes, with proof of purchase you are entitled to a remedy. Since repairs failed twice, rejection and a refund is the appropriate path.
可以，凭购买凭证您有权获得救济。既然维修两次都失败，退货退款是恰当的处理方式。
出自《新州公平交易厅 — 故障家电退款》练到这个词的真题改编
共出现在 6 篇真题改编里。