TO 跟 FOR 用法差在哪？要怎么选？
https://www.youtube.com/watch?v=Hzl-Twy159w
To 跟 For 用法差在哪？要怎么选？来看例句搞懂！
https://english.cool/to-for/
Important <to / for> him
https://forum.wordreference.com/threads/important-to-for-him.297242/