If you don "t know when you will be back, explain this and the reason why you don" t know.

如果你不知道什么时候回来上班，那就明确说明，并解释不能确定的原因。

youdao

And I bet the reason why you "re not pursuing something better is because you don" t know what you "d rather do."

而且我认为你不去追求更高目标的原因是因为你不知道什么是更应该做的。

youdao

Is the reason people behave badly-- I don't know "Badly"--people choose Alpha in this game here, is it the fact that they can't communicate?

人们之所以取得糟糕的结果,我不敢说结果是不是真的不好,但人们选α是因为不能交流吗

耶鲁公开课 - 博弈论课程节选

"I don't know the reason that I'm here, " Jason Puracal said.

CNN: SHARE THIS

He said he believes there's a reason for everything, but "I don't know what the reason is going to be" for the injury.

CNN: SHARE THIS

You know, they don't--the very reason those people didn't leave New Orleans who had to be evacuated later, because they didn't have a bank account, they didn't have a credit card, they didn't have a vehicle.

NPR: Former V.P. Candidate Edwards: Class and Katrina