The time was in the early 70s, so factory farming was not well-known, was not as dominated as it is today, but it still existed.

那时是70年代早期，工厂化养殖并不为很多人所知,也不如今天这样占主导地位，但当时已经出现了这种方式。

普林斯顿公开课 - 人性课程节选

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

I just happened, while I was a graduate student at Oxford University, to meet somebody who is vegetarian and start talking to him about the way we treat animals which I really didn't know much about.

那时我还在牛津攻读硕士研究生,偶然遇到了一个素食者,我们聊到人类是怎样对待动物的,当时我的确不是很了解。

普林斯顿公开课 - 人性课程节选

Here I was, back at Yale, with a billion dollar portfolio -it seemed like a lot of money at the time no portfolio management experience.

那时我在耶鲁,要管理上十亿美元的投资组合,在当时,那是笔巨款,而我却没有任何投资组合管理经验

耶鲁公开课 - 金融市场课程节选

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