one is to look at the sequence of event, look at these sequence in October 29, stock market crashed, two month later, 9% unemployment peaked at 9%.
一种是看看事件发生的时间,看看顺序,10月29号,股票市场崩溃,两个月后,失业率上升到。
斯坦福公开课 - 经济学课程节选
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