Screen scraping is a common technique used by Web-based aggregator sites, for example Vertical One, to present personalized views of financial or other types of information.
屏幕剪贴是基于 Web 的聚集器站点（例如 Vertical One）使用的公共技术， 以显示金融或其它类型信息的个性化视图。
As seen in Figure 2, a common theme among optimized Web sites is the use of vertical lists of hypertext.
如图2所示，优化的Web站点的共同主题就是使用纵向的超文本列表。
Web sites are a vertical medium, but your monitor (probably) isn't as tall as everything you might want to capture from a site.
一般网页通常大小适中，但是你的显示器(或许)不够大无法完整显示你想要截取的所有内容。
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