这个句子对吗 What we should konw is the importance of knowledge.

对的呀,意思是我们必须了解知识的重要性.
这是英语中的强调句型,用what引导,把句子的关键词或者中心放在了句子最后.可以变成We should know the importance of knowledge.或者It is the importance of knowledge which/that we should know.
还有konw打错了,应该是know