trading stamp paper贸易用商标纸
stock trading stamp tax证券交易印花税
stock trading stamp duty证券交易印花税
stamp trading换货券贸易
N(名词) (esp formerly) a stamp of stated value given by some retail organizations to customers, according to the value of their purchases and redeemable for articles offered on a premium list (尤指旧式用法)优待券