Because the past is knowable, the best way of understanding a current crisis is to search for a model in past experiences, even those that are long past. But which is the right template?
因为过去是可知的，所以了解当前危机的最佳途径就是从过去、甚至是很早以前的经验中寻找一种模式。但是哪一种模式才是正确的？