我最先知道的是这是一个标志，上面写着存在

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

youdao

有人认为，这是一个标志性的转折点。

Some hope this marks a broader turning point.

youdao

这是一个标志啊。

It is a sign dear ones.

youdao

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

How do I know it's a sign? How do I know it says 'exit'?

我怎么知道这只是一个标志？，我怎么知道标志上写的是存在？

耶鲁公开课 - 文学理论导论课程节选