根据（　　），企业网站可以分为电子商务网站和非电子商务网站。

电子商务的实质就是电子商务网站。

电子商务网站平台建设预算不包括（）。

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。

企业建设电子商务网站，选择软件系统需要考虑的因素有（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

电子商务网站软件建设的核心________。