一、引言笔者曾经给海商留置权下过这样一个定义:海商留置权是指海上货物运输关系中的一方,在对方不履行义务时,对已经占有的对方财产实施扣押,并且依照法律的规定以留置财产折价或变卖该财产的价款得到优先偿还的权利。这是基于我国海商法和民法对留置权的规定所下的定义。如果将其置于更广泛的法律背景之中考虑,这个定义存有如下不妥:定义中的“对方财产”不一定指该对方拥有所有 I. INTRODUCTION The author once gave the definition of “sea lien” under the definition that sea lien refers to a party in the maritime trucking relationship and seizes the other party’s property already in possession when the other party fails to perform its obligations and, in accordance with the provisions of the law The right to reimbursement for a discount on the retained property or for the sale of the property. This is based on the definition of the lien in China’s maritime law and civil law. If we put it into the wider legal context, the definition is as follows: The “property of the opposite party” in the definition does not necessarily mean that the other party owns all