never和ever的区别?具体在用法和意思上有何区别?最好用例句说明

当然不一样了
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never 决不
ever 曾经
你可能被这样的句子所迷惑
i will never ever want to see u again.
这里的ever是做强调用的，意思同never，只是老外的习惯罢了

Never 决不,从不
I will never forget your kindness.
我永远忘不了你的好意.
One is never too old to learn.
活到老,学到老.
ever 曾经,永远,究竟
Have you ever been to Paris?
你去过巴黎吗?
Could we ever get permission?
我们会被允许吗?