someone who vouches for another or for the correctness of a statement
同义词：verifier
a document that serves as evidence of some expenditure
a negotiable certificate that can be detached and redeemed as needed
同义词：coupon
vouchers例句
Mobility, Targeting, and Private-School Vouchers Method for marketing and redeeming vouchers for use in online purchases ENFORCING AUTHORIZED DOMAINS WITH DOMAIN MEMBERSHIP VOUCHERS Vouchers for Private Schooling in Colombia: Evidence from a Randomized Natural Experiment. NBER Working Paper Series. Private School Vouchers and Student Achievement: An Evaluation of the Milwaukee Parental Choice Program Private School Vouchers and Student Achievement: An Evaluation of the Milwaukee Parental Choice Program Self-contained payment system with circulating digital vouchers Competition between Private and Public Schools, Vouchers, and Peer-Group Effects Replication data for: Vouchers for Private Schooling in Colombia: Evidence from a Randomized Natural Experiment Public Housing, Housing Vouchers, and Student Achievement: Evidence from Public Housing Demolitions in Chicago
