背书人

"An indorsement in blank specifies no indorsee, and a bill so indorsed ecomes payable to bearer."

无记名背书并书明被背书，以此式背书汇票，应成为以持票为收汇票。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.

追索权当有支付义务的第能支付时，可以向商业票据的背书要求支付的权力。