It's not something I can give you rules for; you'll have to use your judgement.

不是我把规则给你就行了，你得运用自己的判断力。

《牛津词典》

Keeping a diary is not like doing your homework. There are no rules, so do whatever feels best.

写日记不同于做作业，没有那么多条条框框，所以按你最想写的来就行。

youdao

And no, it is not bad etiquette to say, "no pets allowed." your house, your rules.

并且说“宠物勿入”也并不是什么不好的礼节。你的家，听你的。

youdao

For most of the things that matter, your unconscious mind rules you, not the other way around.

FORBES: How to Think About Body Language - Part 3

When I owned my condo, for example, one of the condo rules was that you could not rent your condo.

NPR: Tips on Considering a Condo Purchase

And, finally, you need to explain whether or not you see any conflict between your valuation and current IRS rules.

FORBES: Play Ball