ad infinitum是拉丁语，ad意为to,infinitum是infinitus无尽的，无限的，数不清的的中性宾格。ad infinitum字面意思是到无限,英文版本ad infinitum 1630年代开始出现。 None of them, I don't think, need to be exhausted ad infinitum. We need to bring this to ...