It is a system of signs, in other words, that we can make use of, that we recognize as signs precisely because they exist among us as something that can be shared in common.

它是一套符号，我们可以利用，我们可以清楚地辨明这些符号，它们无处不在,是我们大家共同分享的。

耶鲁公开课 - 文学理论导论课程节选