книг, чем у меня

books than I have

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phrase Rare #46,369
books than I have Used after больше to compare the number of books someone has with the number the speaker has. У меня literally means “with me” but is translated as “I have” in this construction.
RU: У Анны больше книг, чем у меня.
EN: Anna has more books than I have.

У него в полтора раза больше книг, чем у меня.

He has one and a half times as many books as I do.

У Тома даже больше книг, чем у меня.

Tom has even more books than I do.