5、提单是指用以证明海上货物运输合同和货物已经由承运人接收或者装船，以及承运人保证据以交付货物的单证。根据提单收货人一栏的记载不同，提单可以分为

Bill of Lading refers to a document which is an evidence of the contract of marine cargo transportation and the receipt for goods received or shipped on board by the carrier as well as the carfiers promise to deliver the goods on the terms. The B/L states that the goods will be delivered to the named consignee, or to any person, designated by him, or to the holder of the B/L. So as to make the B/L to be the guarantee that the carrier will surely deliver the goods depending on it.