Web site usability is a critical metric for assessing the quality of a firm's E-commerce.

网站可用性是评价公司电子商务质量的一个关键要素。

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If you do iterative (repeated) usability testing over the course of developing the Web site, many users will participate in testing one or another version of the emerging site.

如果在网站开发过程中你一直在做迭代(重复)的可用性测试，就会有许多用户参加其中一个或另一个版本的网站测试。

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Learn how to devise and run usability tests for your web site.

学习怎样设计、操作网站的易用性测试。

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Learn how to devise and run usability tests for your web site.

学习怎样设计、操作网站的易用性测试。

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