order bill of exchange　

order bill of exchange　指定人汇票，记名汇票　

A written，unconditional order by one party（the drawer）to another（the drawee）to pay a certain sum，either immediately（a sight bill）or on a fixed date（a term bill），for payment of goods and/or services received.The drawee accepts the bill by signing it，thus converting it into a post-dated check and a binding contract.