First, at least some of the observed differences between the enzymes of the Atlantic and Pacific fish populations were not random, but were the result of evolutionary adaptation.

首先，至少在大西洋和太平洋鱼类种群中观察到的一些酶的差异不是随机的，而是进化适应的结果。

youdao

Whoever you are, thank you for the random act of kindness that not only helped my mother out, but made her day too.

不管你是谁，谢谢你不同寻常的善意行为，这种行为不仅帮助了我的母亲，而且让她那一天很开心。

youdao

That would make the brain unpredictable but not actually random, because the butterfly effect is a phenomenon of physical laws that do not depend on chance.

这使得大脑无法预测但是又不是完全随机进行，因为蝴蝶效应是物理法则中一个稀有的现象，它不遵循几率。

youdao

Thus, price direction is chaotic, but not random.

FORBES: Are Stock Prices Random Or Chaotic?

Their predictions, while badly inaccurate, were not random but rather highly correlated with each other.

WSJ: Shattering the Bell Curve

But financial markets are not random.

NPR: Why Risk Models Failed to Spot the Credit Crisis