去上一堂你感兴趣的课，只是因为你对那堂课的主题感兴趣。

Sit in on a lecture just because you're interested in the subject matter.

youdao

去上一堂你感兴趣的课，只是因为你对那堂课的主题感兴趣。

Sit in on a lecture just because you're interested in the subject matter.

youdao