邮资凭证
词典postage certificate：[法]邮资凭证。
1. 邮资凭证的反义词
1. Postage Certificate：邮局全张Post Office Sheet | 邮资凭证Postage Certificate | 欠资戳Postage-due Chop
2. Stamp：印花税:stamp tax | 邮资凭证:Stamp | 电子图章:electronic stamp