或者，这个产品目录所在的系统没有反映该怎么办呢？

Or, the system on which the product catalog is located is not responding?

youdao

显示你所在的地方——当前的工作目录。

Shows you where you are--the current working directory.

youdao

表示的是我当前的工作目录，那个我当前所在的文件中。

And ". "signifies my current working directory, the folder that I am currently in.

youdao

And "." signifies my current working directory, the folder that I am currently in.

，“表示的是我当前的工作目录，那个我当前所在的文件中。

哈佛公开课 - 计算机科学课程节选