So in January, 2005, I joined the positive psychology center as the director of education and senior scholar.

005年一月，我加入积极心理学中心,任教育主任和高级学者。

哈佛公开课 - 幸福课课程节选

There was an important change in the discount rate in January of 2003.

在2003年一月,贴现率有了一次很重要的改变。

耶鲁公开课 - 金融市场课程节选