Well, we've got a skippy Beethoven music but here with Tchaikovsky he's coming down, just straight down, down consecutive intervals there for the most part.

我们听过贝多芬的曲子,非常跳跃,但在柴可夫斯基的乐曲里,音高急转直下,动机部分连续出现音程下降

耶鲁公开课 - 聆听音乐课程节选

The collapse of this was part of the reason for a general economic collapse.

坏账的全面爆发是造成,美国经济急转直下的原因之一

耶鲁公开课 - 金融市场课程节选

Look how--this is as of earlier this year; the Federal Funds Rate was at around 4% and it has this huge drop in the term structure and then it starts the upward-sloping.

这是今年早些时候的图形,当时联邦利率徘徊在4%,但期限结构,在此处急转直下之后又开始掉头向上

耶鲁公开课 - 金融市场课程节选