In other words, I don't not know first that that's a sign that says "exit."

换句话说，我不事先知道,那是一个存在的标志“

耶鲁公开课 - 文学理论导论课程节选

The very first thing I know is that it's a sign that says "exit."

我最先知道的是这是一个标志，上面写着存在“

耶鲁公开课 - 文学理论导论课程节选