简述B2B电子商务模式下的运作模式？

与传统商业模式相比，B2C电子商务模式有（）两大优势。

简述电子商务的模式类型。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述法国经济学家1803年发表著作《政治经济学概论》提出了著名的“市场法则概论”。

如果学生电脑与教师电脑不在同一个局域网内，也能使用的电子教室软件是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述经济批量模式下货币资金总成本的构成及其与货币持有量的关系。

简述经济批量模式下货币资金总成本的构成及其与货币持有童的关系