But he says only one or two students usually choose it each year, and no one did in the graduating class in May.

VOA: special.2009.07.23

I've been told that when I initially started, there was one or two students a Guru, and the next year the incoming class have 17 students.

听说在我开始在这个项目学习的时候，每个导师只有1到2个学生，而下一年，一个班有17人。

普林斯顿公开课 - 人性课程节选

For example, I may have someone who promises to pay me $1 in one year or in two years or three years.

举个例子,有人对我承诺,在一年或者两年或者三年内支付我一美元

耶鲁公开课 - 金融市场课程节选