not but 但除非; 不是而是; 没有…但是…;
However, we can not but hate others, and why?
可是我们不能因tsVbZl此而憎恨别人，为什么？
She could not but admit that they were justified in this.
她不得不承认，在这件事情上，他们是有道理的。
Of course not but you must gain strength and gain it quickly.
当然不是，但是你必须获得力量并且要尽快地获得。

Not your present, but mine. 不是你的礼物，而是我的。

I guess not. 搜趣网 But , sometimes it seems like it will . 我想是的。但有时侯它看起来象是没完没了的。 This is not her . But this is always what she does . 这个不是她，不过这就是她一直都在做的事情。 希望可以帮助你，满意//www.souquanme.com的话，希望采纳，谢谢@

好像没有这个说法吧。有not that（倒不是，并不是说） 例句：she has not written---not that she said she wtsVbZlould.她还没写，但她并没有说不写。还有not but(只有）：I cannot do anything but forgive him.我只好原谅他。

属于强调句，例句 it is not your talent but your efforts that determines your success.
判断方法 去掉 it is。。。that 后 仍然是完整的句子