汇票

It is a bill payable at sight.

那是一张见即付的。

Can you cash this postal order for me now?

你现在能帮我兑现这张邮政?

You need an official signature to validate the order.

你要有正的签字,这张才能生。

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

无记名书并不书明被书人，以此书之，应成为以持人为收款人之。