People use the search engine to find information about almost any subject on the Internet.

VOA: special.2009.04.19

Those kinds of information are not easily accessible by following links or using the traditional search engine technology.

通过跟踪链接,或者传统搜索技术,是无法轻易获取的这些信息的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选