"There are problems,as there were with the trusts or with the stock market, when there are no rules,".

VOA: standard.2009.03.26

I mean, there are no rules really.

我想说，没什么一定之规。

艺术从自由起步 - SpeakingMax英语口语达人

But there are no official "rules" for a Thanksgiving meal.

VOA: special.2009.11.23