六级Their breakthrough, simply put, was that when their search engine crawled the Web, it did more than just look for word matches; it also tallied (统计) and ranked a host of other critical factors like how websites link to one another.
简单地说,他们的突破在于,当他们的搜索引擎在网络上爬行时,它所做的不仅仅是寻找单词匹配;它也计算在内(统计) 并对许多其他关键因素进行了排名,如网站之间的链接方式。
2007年6月英语六级真题
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