It's beautiful. The birds are, we sort of understand, we think, As I say, it's just those three simple rules, plus the one about watch out for predators.
很美。通过那个计算机模型， 我们在某种程度上了解了这些鸟的行为。 正如我之前所说，只是由三条简单的规则， 加上一条关于捕食者的。