be of vital 造句

be of vital 造句 of vital importance是什么意思 用vital造句 快啊 communicate is of vital importance如何理解 be of 怎么用 be vital for和be vital to有什么区别 of+名词=be+adj 请问 名词前面可以加形容词修饰吗?比如说,it's of vital significance be afraid of 造句 be proud of 造句 be sure of 造句 be tired of 造句 be true of造句 翻译：a vital component of welfare reform