n.(1)文契 用以记载某项行为，表明权利、义务等的设定、变更、终止的正式的书面文件，如契约〔contract〕、契据〔deed〕、遗嘱〔will〕、债券〔bond〕、租约〔lease〕等，可为证据。 (2)票据 指流通票据〔negotiable instrument〕、证券〔security〕或其他任何可以证明取得金钱支付权利的书面文据。本身并非担保协议〔security agreement〕或租约〔lease〕，而且是于正常业务活动中以必要的背书或让与程序交付转移的。
bearer instrument 无记名转让票据；无记名有价证券
credit instrument 信用票据；信用证
debt instrument 债务证券
derivative instrument 衍生工具；衍生产品；派生票据；派生证券
financial instrument 金融工具；金融票据
A bearer instrument is a document that entitles the holder of the document rights of ownership or title to the underlying property, such as shares or bonds.
无记名票据是赋予票据持有人对基础财产(如股票或债券)所有权或所有权的凭证。
例2：
The loss of negotiable instrument is that the bearer lost negotiable instrument but not on his inclination.
所谓票据丧失，即持票人并非出于自己的本意而丧失对票据的占有。
例3：
“Bearer” means a person in possession of a negotiable instrument, document of title, or certificated security that is payable to bearer or indorsed in blank.
“持票人”指占有凭票付款或空白背书的流通票据、所有权凭证或实物证券的人。
