중등영어 not only A but also B

이렇게 바꿀 수 있어요:

He is not only a teacher but also a professor at a university in the United States.

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또는 조금 더 자연스럽게:

He is not only a teacher but also teaches at a university in the U.S.

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둘다 가능합니다. 채택 부탁드려요