The negotiability explains the birth and the enduring life of Bill. 票据的流通性是票据产生的根本原因，也是票据经久不衰的强大的生命力所在。
The first legal system to realize the negotiability of EBL is challenged, because paper is the essential media to realize the negotiability. 其二则是基于当事人之间的协议，这种协议通常约定采用让与机制间接地实现电子提单的流通性。
