As we have stated above, there exist fixed rules about the weather; these rules are simple and easy to compute.

我们在上面提到，天气尽管变化多端，但也存在一定的基本规律，这些规律说来也很简单。

youdao

These rules can be complex, verbose, flexible, or simple and brief and easy to adopt.

这些规则可以复杂、详尽而灵活，也可以简明扼要且易于采纳。

youdao

Chinese culture is like the game of go, the rules of which are clear, simple and easy to follow, but until you begin to play it, you do not see the mystery and complexity involved in it.

中国文化如同围棋，游戏规则简单明了，几下子就可以解释清楚，但真正玩起来后才逐渐领略到其中的奥秘。

youdao

In an ever more scientifically advanced world where we have access to more information than ever before, we crave a simple and easy to follow set of rules to simplify our decisions and remove the grey from our choices.

FORBES: Angelina Jolie's Choice: Being Decisive Amidst Uncertainty