There are two pages missing from this book.

这本书缺少两页.

《现代汉英综合大词典》

The book had two pages missing / two missing pages.

那本书缺两页.

辞典例句

He bought a book with a few pages missing.

(补语)他买了一本缺掉几页的书.

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There are two pages missing in this book.

这本书少了两页.

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