契约定义了客户在商业站点购物时所遵循的条款和条件。
A contract defines the terms and conditions under which a customer shops while they are in a commerce site.
通常在前几个小时内就会作出评估，确定商业站点的弱点。
An assessment is made immediately, usually within the first few hours, to determine the vulnerability of the merchant's sites.
一些商业站点被重复地使用是由于它们近似于一个软件程序。
Some business sites that are used repeatedly include features for approximating software applications.
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