On their first day of class in the fall of 2007, we have 41 students in our class this year.

007年秋天，开课第一天，今年一共收录41名学生。

哈佛公开课 - 幸福课课程节选

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

- So there we were 2007, 2008, 2009, and bam.

所以我们有2007年，2008年，2009年和“bang“

哈佛公开课 - 计算机科学课程节选