I was curious; I was even a user assistant at the time, I was certainly a geek at the time and yet I had no sense really of what actually went on in a classroom like this.

我很好奇，在当时我是一名助教，那时我肯定是一个怪胎,我真的不知道,这样的课上讲的是什么东西。

哈佛公开课 - 计算机科学课程节选

It was a beginning, but it didn't take because they had technical problems.

但是当时政策成型后并没有执行,因为那时存在技术上的一些问题。

耶鲁公开课 - 金融市场课程节选