( contract law of pro ) make up the aforesaid legal vacuum . notwithstanding many provisions provided for by contract law may apply to charter party in the absence of the corresponding provisions in maritime law , the aforesaid provisions are just general provisions . charter party , as an special type of contract , has many particular characters differ from the common business contract and formed many unique usages after hundreds years of practice 虽然新合同法的实施使许多海商法中没有规定的有关租船合同的事项可以直接从新合同法中找到调整依据，但这些规定往往都是一些原则性的规定，而租船合同作为较偏门的合同种类，其存在着许多与普通民商事合同不同的独特特征并且租船运输在海上运输中有着上百年的历史，行成了许多独特的习惯做法。
In this case we will first find out the radical reason of bb airline " s losing money through a cost structure compare report of the overseas and domestic airline ; and at the same time we will give out a brief introduction of bb company " s present cost management situation by the way of discussion . after that we will fully quote a work report of a profit managing employee . this report covered from charter flight accounting to charter flight managing ; from insensible management to active co - operation . it is also a summary of fault and progress they have made in the past profit management 本案例首先通过一份中外航空成本结构对比报表找出bb航空公司亏损的根源所在；同时，本文由与会代表的各抒己见引出bb航空公司成本管理存在的问题。其次，本文又引述了来自收益管理第一线的工作人员的工作汇报。他对自身的工作经验的总结由核算包机到管理包机，由无意识管理到主动配合也是对公司过去收益管理中失误与进步的总结，并进而揭示了加强收益管理症结所在，明确了职责明确、信息完全对收益管理的重要性。
