the reason for和the reason to的区别另补充一题：The reason he ____ his absence is still unclear to un all.（1）下划线处写for还是to?（2）如何翻译本句?:- )

the reason for和the reason why的区别? the reason for doing sth 和the reason for sth 例子 the reason that和the reason why the reason of和the reason for区别,迟到的原因(英文) the reason for doing something和the reason to do something的区别 for the reason怎么用 “for the reason”怎么翻译? 用for the reason造句 for the reason的中文翻译 the reason for 与 the reason why的区别 是the reason for还是the.reason.why the reason of 与the reason for的区别 explain the reason还是explain for the reason the reason causing the problem is ...应该是the reason for 还是 the reason 后面接ing christmas is the reason for the the reason for 为什么是for the reason for,the reason to& the reason of的区别 the reason for 和 the reason of 有什么区别?如题,另外能分别讲一下具体用法更好,