Then we had another recession that began in 1953 -that's that line--and it ended in '54, and so on.

接着1953年再次陷入衰退,这条线,结束于54年,等等

耶鲁公开课 - 金融市场课程节选

I have it shown with the--the vertical lines on this chart indicate recessions and this shows--this is from 1948 to 2007 and every recession that we've had since 1948 is shown.

我用图中的这些垂直的线表示,从1948年至2007年的经济衰退,从1948年以来的每一次衰退

耶鲁公开课 - 金融市场课程节选