I don't care if you ever go to church, that is no longer confined to a religious organization.

我不管你们是否曾经去过教堂,这已经不再是限制在某个宗教组织内的事了

耶鲁公开课 - 古希腊历史简介课程节选

I don't care means I don't care, no, in the negative,

I don't care”是指不在乎，不要，表达否定的意思。

I don't care课堂 - SpeakingMax英语口语达人