I don't know what to--and then it kind of waffled around in London and then it shot up even higher.

不知道怎么回事,接着伦敦地产陷入低潮,接着又暴涨至更高点

耶鲁公开课 - 金融市场课程节选

If it doesn't matter, if I experience this ups and downs.

如果这些都无关紧要，总要经历高低潮。

哈佛公开课 - 幸福课课程节选