题目内容：

One doesn't need to know the right answer is to know that someone else does not.
求翻译

优质解答

一个人不需要去知道别人也不知道的正确答案.

追问：

Which means,you don't need to know the right answer to know that someone else does not have the right one,right?

追答：

一个人不需要去知道将要知道、而别人也不知道的正确答案。 其中的is to know是一般将来时的一种表现形式。