可以用它构建DoubleClick那样的第三方广告统计服务器，也可以管理自身拥有的大量广告业务，特别适合大型商业网站使用，个人网站用户也可以用它来管理网站广告-You can use it to build DoubleClick statistics as third-party ad server, it can manage itself has a lot of advertising, especially for large-scale commercial use of the w