not absolutely和not necessarily区别

not absolutely和not necessarily区别

前者是不绝对
ex：I think the answer's right but I'm not absolutely sure about it.
我认为这答案是正确的,但是没有绝对的把握.
后者是未必,不一定
ex：Contrary to common belief,stress is not necessarily a bad thing.
与一般的想法相反,压力不一定是件坏事.

没有绝对和不一定~区别你自己想~意思都一样吧？