But the one thing we know for sure中的for是用作介词?

one thing is for sure but i know for sure 的翻译 but you can't know for sure,这句话后面为什么后面是for sure而不是to sure,of but one thing we know that the bright belong to ourselves什么意 求However one thing is for sure请解释一下for sure Yeah,I know.But now,for the matter at hand.I'm sure that the know for sure for one thing 翻译 one thing for 要解释这篇文章As we know,health is the most important thing for a m no one but" wrong" way corrigan knows for sure翻译 for one thing…for another…,中文是?