摘要: 原论文: Predicting Clicks: Estimating the Click-Through Rate for New Ads, Microsoft, 2007 计费方式 cost-per-click (CPC): the search engine is paid every time 阅读全文
posted @ 2021-07-22 15:29 Raylan 阅读(179) 评论(0) 推荐(0)