只要教室里还有空位，你又不扰乱课堂，你就可以旁听任何课。

You are allowed to attend any lecture, only if there are empty seats for you and you don't disturb the class.

youdao

只要教室里还有空位，你又不扰乱课堂，你就可以旁听任何课。

You are allowed to attend any lecture, only if there are empty seats for you and you don't disturb the class.

youdao