After that, the International Olympic Committee led efforts to create an independent agency to set and enforce common anti-doping rules.

VOA: special.2011.04.12

And one of the puzzles of syntactic rules, or one of the issues of them, is that different rules can conspire to create the same sentence.

语法规则的一个谜团或问题是,不同规则可以共同作用来产生同一个句子

耶鲁公开课 - 心理学导论课程节选

Congress said, finally--I think wisely--in 1986, that we don't want to create rules that encourage people to do a different sort of business just to evade taxes.

最终,国会在1986年明智地提出,我们不想制定法规,鼓励人们仅仅为了避税,而尝试不同的赚钱方式

耶鲁公开课 - 金融市场课程节选