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》

I am not doing it for money, but because I love cooking.

我做这个不是为了钱，而是因为我喜欢做饭。

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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

The main reason why I say that is actually not necessarily because of what's in the museum, but because of the museum itself.

我这样说，并不一定是因为博物馆里的东西，而主要是因为这个博物馆本身。

喜欢的艺术家 - SpeakingMax英语口语达人

But because of her large size as a third-grader, she had to shop in the adult section.

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But because of that long commitment, people expect it to make a statement about photography.

WSJ: Snapshot of a Curator | Quentin Bajac | Cultural Conversation by Richard B. Woodward

But because benefits are contractually guaranteed, the obligation to cover any funding shortfall lies with taxpayers.

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