In our last lecture, I was talking about language as part of our semiotic system.

上次我们讲到，语言是符号系统一部分。

I need your opinion on a matter of semiotics. I'm sorry?

我需要符号学方面帮助。什么？

Semiotics. The study of signs and symbols. It's a branch of philosophy related to linguistics.

符号学，研究符号和象征，是语言学基本理论分支。