區別：1、be good at 意為“擅長……”，後接名詞、代詞或ving形式。例如：I’m good at playing chess. 我擅長下象棋。2、be good to意為“對……友好”。例如：My friend was good to me when I was ill. 我生病時我的朋友對我關懷備至。3、be good for意為 “對……有好處”。例如：Eating more vegetables is good for your health. 多吃蔬菜對你的健康有好處。
例子1、In fact, they might be good for the economy. 事實上，它們可能還對美國經濟產生了有益的推動。2、I was thinking it would be good for bob. 我原來一直認為這對鮑勃有好處。3、Rain water was once considered to be good for the complexion 雨水曾一度被認為可以滋養面板。4、But if you have a good method of learning, I think you will be good at it. 但是如果你有好的學習方法，我想你就會學會它。5、I independence, because I be good at association with person. 我獨立，因為我善於與人交往。
區別：1、be good at 意為“擅長……”，後接名詞、代詞或ving形式。例如：I’m good at playing chess. 我擅長下象棋。2、be good to意為“對……友好”。例如：My friend was good to me when I was ill. 我生病時我的朋友對我關懷備至。3、be good for意為 “對……有好處”。例如：Eating more vegetables is good for your health. 多吃蔬菜對你的健康有好處。
例子1、In fact, they might be good for the economy. 事實上，它們可能還對美國經濟產生了有益的推動。2、I was thinking it would be good for bob. 我原來一直認為這對鮑勃有好處。3、Rain water was once considered to be good for the complexion 雨水曾一度被認為可以滋養面板。4、But if you have a good method of learning, I think you will be good at it. 但是如果你有好的學習方法，我想你就會學會它。5、I independence, because I be good at association with person. 我獨立，因為我善於與人交往。