形式有些区别:
be vital to[英] [bi: ˈvaitəl tu:] [美] [bi ˈvaɪtl tu] 对…极端重要;
to在这是介词, 后面接动词ing形式
be vital to如果前面是
形式主语 后面可以是
动词不定式作真主语 ,to是动词符号 ,不是介词如 it is vital to study english.
学英语是至关重要的
be important to sb 某事对某人重要
Exercise is important to us.
be important for sb 对我们来说.是重要的
It's important for us to learn English well.