Because we're a smart species, we can actually create all kinds of environments that are super, super complicated, sometimes too complicated for us to even actually understand, even though we've actually created them.
因为我们是聪明的物种， 我们事实上能创造出很多种 非常非常复杂的环境， 复杂到有时候我们都不能理解， 虽然是我们创造出来的。