You can notice how paper is used in diverse types of design components like in content areas, backgrounds, navigation menus and all sorts of other web page parts.

在正文区域、背景、导航条和其他网页模块中，纸张的表现形式丰富多彩。

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Amazon spokeswoman Patty Smith said the price differences on certain DVDs are the result of tests that the company performs to re-evaluate various aspects of its Web site, such as the navigation system, what the home page looks like, overall site design and product pricing.

CNN: Testing reveals varied DVD prices on Amazon