A negotiable credit instrument is a written and signed unconditional promise to pay a specified sum of money at a specified time .

可转让信用工具是一 张经签字、 无 条件在规定的时间支付一定金额的书面 承诺。

A non-negotiable credit instrument is not an unconditional promise to pay .

不可转让的信用工具不是 无 条件的支付 承诺。

PROMISSORY_ NOTE_ DESC ; This was an unconditional promise in writing to pay a certain sum of money at a definite time to bearer or to a specified person on his order .

以书面形式 同意 无 条件在规定时间内付给持有人或指定的人以一定数量的金钱。