由于价格变更通常是由经济因素引起的，因此可以称为“带有经济价格调整条款的固定价格合同”又称为（）

满意价格策略又称为（）。

在产品经营策略中，低价格、低促销策略又叫（）

企业在竞争对手价格没有变的情况下率先降价的策略称为（）策略。

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.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

企业在竞争对手价格没有变的情况下率先降价的策略称为（）策略。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。