不能察觉是一个很重要的问题。

The issue of awareness is an important one.

youdao

现在我想问你一个很重要的问题。

And now I have a very important question to ask you.

youdao

这一研究提出了一个很重要的问题。

This study raises an important question.

youdao

And then, of course, not just whether the reaction will occur but, how fast it occurs is really important.

当然，我们不光要研究一个反应会不会发生,反应速率多块也是很重要的研究问题。

麻省理工公开课 - 化学原理课程节选

So what we see here is an example of something very important and quite general.

因此我们现在已经看了,一个非常重要而且很普遍的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Aristotle raises the question a very important question whether the rule of law is to be referred to the rule of the best the best individual.

亚里士多德提出了问题,一个很重要的问题,法治是否应与最优统治者,最优的个体产生连结。

耶鲁公开课 - 政治哲学导论课程节选