As we'll learn from Jakobson next week, literature can be understood--or what he calls the study of literature, "poetics"--can be understood as a subfield of semiotics, but semiotics is not in itself a literary theory.

下周我们学雅各布森的时候也会看到，文学可以被理解为，诗学，即符号学的一个分支，但是符号学不是文学理论。

耶鲁公开课 - 文学理论导论课程节选