你想要在他的iPhone上运行一个应用程序，就得按照他的规则来办，还得为这一行为付费30%。
You want to run an app on his iPhone, you play by his rules and pay him 30% of the action.
与Napster和Kazaa力图避开音乐行业的商业规则(如向歌手付费)不同，苹果通过一种完全合法的方式来对待唱片行业。
While Napster and Kazaa tried to skirt around the commercial imperatives of music, like paying artists, Apple took on the record industry in an entirely legal way.
他降低了广告搜索的结果数目，这使得付费广告业务规则得到改变，鼓励链接到站点广告几乎不提供有用的内容。
It has reduced the number of search results that return paid ads by changing its formulas to discourage ads that link to sites that provide little useful content.
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