I worked in the field of education, doing a lot of work in field of education.

我在教育领域工作过，在教育领域内做过很多工作。

哈佛公开课 - 幸福课课程节选

The proposal for a level playing field demands, of course, equal education.

等同地位竞争的提议，需要平等教育。

耶鲁公开课 - 政治哲学导论课程节选