First, at least some of the observed differences between the enzymes of the Atlantic and Pacific fish populations were notrandom, 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。
2
On-the-field success and high participation in sports is notrandom—it requires focus and dedication to athletics.