In this respect it seems to me much less like just a branch of political science than the foundation of the entire discipline.

从这个角度切入，我认为它,并不像只是政治科学的分支,而更像是整个学科的基石。

耶鲁公开课 - 政治哲学导论课程节选

In one sense you could say political philosophy is simply a branch or what we call a subfield of the field of political science. Yes all right.

从一个层面来看，你可以说,政治哲学简单来说，就是一个分支,或说次领域自政治科学,中分离出来，没错。

耶鲁公开课 - 政治哲学导论课程节选