He knows exactly what the problem is, and he knows exactly how to deal with it, and the dance is this transition behavior that allows them to reorientate themselves.
它清楚的知道哪里出了问题， 它也清楚的知道怎么处理这个问题。 而这种舞蹈本身就是调整自己的动作。 让它们可以重新确定方向。