This is required so the brain sets up it's processing so that it can act differentially, so that it can act selectively, so that the creature that wears it, that carries it, can begin to operate on it in a selective way.
而大脑需要如此来设置运行， 以便于作出不同的行动， 以便于作出有选择的行动， 以便于这个特定的动物 可以用一种有选择的方式来运行大脑。