[] (; ) a record of a person's activities when spending time on the Internet, including the websites they visit, how long they spend on each one, emails they send or receive, etc.点击流（记录某人在互联网上的活动，包括访问的网站、在每一网站上所花的时间、收发的电子邮件等）◆Marketing companies find it useful to analyse clickstream data.营销公司发现分析点击流数据很有用。