You also added the ability to handle HTML in a similar manner and touched on the basics of walking a website to scrape data not available in an XML format.

您还增加了以类似方式处理 HTML 的能力，并初步了解了如何遍历一个网站，获取没有以 XML 格式提供的数据。

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And according to Flores the explanation for these differences is not apparent because clear and consistent data are not available.

VOA: standard.2010.04.07

Quickly, savvy entrepreneurs realized that the internet offered easily accessible relational data not available on other forms of entertainment.

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From 2004 to 2009, while online retail sales increased at an average annual rate of 16%, online apparel sales increased by 19% annually (data not available for 2010-2012).

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After these efforts, follow up data was not available on only 2.4% of patients.

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