Days channel is the historical memorabilia of a keyword, its time attribute according to all webpage content that has extracted, according to time all information new sort presents before the user.

• 时光隧道是一个关键词的历史大事记，它根据已经提取的所有网页内容的时间属性，将所有信息按照时间重新排序并呈现在用户面前。