a negotiable certificate that can be detached and redeemed as needed
同义词：voucher
a test sample of some substance
coupons例句
Method and apparatus for dispensing discount coupons Stories, Coupons, and the TV Guide: Relationships Between Home Literacy Experiences and Emergent Literacy Knowledge Does Default Risk in Coupons Affect the Valuation of Corporate Bonds?: A Contingent Claims Model A Price Discrimination Theory of Coupons Adherence of Listeria monocytogenes strains to stainless steel coupons. Lead corrosion control from lead, copper﹍ead solder, and brass coupons in drinking water employing free and combined chlorine Method and apparatus for controlling the distribution of coupons Pleasant Surprises: Consumer Response to Unexpected In-Store Coupons Mobile Marketing in the Retailing Environment: Current Insights and Future Research Avenues Biological Response of Intramedullary Bone to Poly-L-Lactic Acid
