You need to pin down an object of study, a first principle from which other principles can emerge, and part of the process is to say, "Hey, it's not literature we're talking about.

首要原则是，需要锁定要谈论，即学习的目标，可是，谁知道什么是文学。

耶鲁公开课 - 文学理论导论课程节选

We may turn onto a target, we record from a whole array.

我们锁定目标，记录了整个列阵。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选