QUOTE: In other words, if you choose to place non-Google ads on the same site or page as Google ads, it should always be clear to the user that the ads are served by different advertising networks and that the non-Google ads have no association with Google. If the formats are naturally similar, we'd ask that you use different color schemes for the competing ads. 同时服务小组也表示投放竞争性广告会导致Google Adsense的收入降低。