coupon
Definition
A certificate or ticket that gives the holder a discount when purchasing a product or service.
中文 凭证或票据，持有人在购买产品或服务时可获得折扣。
Example
"She used a coupon to save 20% on her online order."
A certificate or ticket that gives the holder a discount when purchasing a product or service.
中文 凭证或票据，持有人在购买产品或服务时可获得折扣。
"She used a coupon to save 20% on her online order."