He was through with sports, not because he had to be but because he wanted it that way.

他放弃体育运动了，不是因为他非放弃不可，而是因为他想要那样。

《柯林斯英汉双解大词典》

He philosophized, he admitted, not because he was certain of establishing the truth, but because it gave him pleasure.

他承认自己反复推究不是因为他确定找到了真理，而是因为那给了他很多乐趣。

《柯林斯英汉双解大词典》

The decline is not because we have all become lazy.

这种下降并不是因为我们都变得懒惰了。

youdao

He said the eighteen twenty compromise worked -- not because Congress passed it -- but because the states agreed to it.

VOA: special.2009.03.26

But it's not because of some magical property in the fruit itself, but because of the action of disobedience itself.

但并不是因为苹果本身拥有的魔力，而是因为叛逆这一行为本身。

耶鲁公开课 - 旧约导论课程节选

You know, for me, it's not because it's not in my budget.

对我来说，不是因为它不在我的预算之内。

关于名牌 - SpeakingMax英语口语达人

And I raise that not because we shouldn't have a series discussion about it.

WHITEHOUSE: President Obama Takes Questions at GOP House Issues Conference | The White House

Well, they win because they have the best players, not because of what they do.

WSJ: Zdenek Zeman: The Return of Soccer's Jedi

Not because you were bound to win, but because you were bound to be true.

WHITEHOUSE: ��It is Time to Pass Health Care Reform��