translation.en: You select one set of cells to perform one sort of behavior, another neuromodulator, another set of cells, a different pattern, and you can imagine you could extrapolate to a very, very complicated system.
translation.zh: 你选择一组细胞来执行一种行为 另一个神经调质，另一组细胞 不同的模式，你可以想象 你可以推出一个非常、 非常复杂的系统