It is really an important concern to every one of us. 翻译成汉语
这件事对于我们当中的每一个人都至关重要。~
如果上下是两句话:It's related to each individual's vital interest.
如果是一句话:It is really an important concern to every one of us, relating to each individual's vital interest.
希望楼主满意!~