Our subject this week is an area of study that interests millions of people -- genealogy,researching family history.

VOA: special.2010.06.28

I think it's reasonable for people who are considering the study of a particular subject in a college course to ask why they should.

大家都想将这一科目,作为一门学问做深入的研习,所以这个问题显得很为必要

耶鲁公开课 - 古希腊历史简介课程节选

What are these problems that constitute ? the subject matter of the study of politics?

是哪些问题,组成政治研究的题材？

耶鲁公开课 - 政治哲学导论课程节选

Now speaking of teenagers, they were the subject of another new study.

VOA: special.2010.07.07