be of great importance怎么用,适用对象有什么要求,最好弄几个例句

Of +名词 相对于形容词（作表语、定语,注意都是后置）,
此用法比较小资.
记住译成中文的“有”、“具有”、“ 拥有”就差不多了.例如
a thoght of value\x09\x09\x09\x09一个有价值的思想
an issue of imporatance\x09\x09\x09一个具有重要性的问题
be of obvious advantage\x09\x09\x09具有明显优势
be of sufficient strongness\x09\x09具有足够的强度
be of insufficient member to do job\x09缺乏足够的人员去做事.
Malignant tumors are of several types\x09 恶性肿瘤有几种类型
He is of pensionable age.\x09\x09\x09他到了（有了）拿养老金的年纪.
The boilers are of low-pressure design.\x09这些锅炉有着低压设计.
These products are of high quality.\x09\x09这些产品拥有高质量.
He is of royal blood.\x09\x09\x09\x09\x09他拥有皇室血统.
The congregation is of Croatian descent.
这些人群有着克罗地亚血统（有的翻做克罗地亚裔,也对,不过是转义）
Recycled stationary may be less white and of a rougher texture.
回收的文具可能没那么白净、质地有些粗糙.
Both sides think of the point as of no consequence.
双方都认为这一点不具有严重性.
Marriage today is less of an ego realization and more of an economic bargain for men.
今日的婚姻对男人而言,自我实现的含义（有的）少,而经济学意义上的一次交易的含义（有的）多.