essential to me还是for me

essential to me还是for me essential to还是for后跟our further be essential for/to有什么区别 show sth for me 还是 to me 有It is essential for sb to do吗 good luck to me还是good luck for me bring some apples to 还是 (for me )me? it is an important day to me还是for me a letter for me还是a letter to me the watch is meaningful for me还是to me buy sth to me还是buy sth for me no trouble to me还是no trouble for me too much to me还是too much for me 求此题答案,希望给出解释Electricity is essential （） modern industry. be essential to 和be essential for 有什么区别?为什么啊 essential的用法请问essential后面什么时候用of什么时候用to,还有for?最好举几个例子, what you want for me还是what do you want for me?还是what you want to me 为什么? 是give it to me还是give it for because it is difficult （）me 填to还是for