When one considers the evidence about external economic shocks over the past year or two, what emerges are stories whose precise significance is unknowable. We only know that most of us have heard them many times.
当人们对过去一两年的外部经济冲击的迹象进行思考时，脑海里浮现的是那些具体重要性不可知的故事。我们只知道大多数人都已经听过这些故事许多遍了。