正如约翰已经变了，他妻子也变了。

Just as John has changed, so has his wife.

《柯林斯英汉双解大词典》

有些学生，比如约翰，就住在附近。

Some students, for example, John, live in the neighbourhood.

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正如约翰·尤德金教授在40年前出版的同名革命著作中所描述的那样，它纯净、洁白但致命。

It is pure, white and deadly, as Professor John Yudkin described it 40 years ago in a revolutionary book of that name.

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