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!~