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Coupon
02
サンプル, クーポン
a test sample of some substance
coupon
n
例
They offered a discount on the product against a coupon.
I'm saving coupons to purchase that expensive gadget at a discount.
She nipped the coupon from the booklet before throwing it away.
The expiry date of the coupon is printed on the bottom.
The coupon was not validly applied, resulting in a dispute over the final purchase amount.