There are a lot of more books in this library than in that one.翻译

There are a lot of more books in this library than in that one.翻译
There are a lot of more books in this library than in that one.翻译

There are a lot of more books in this library than in that one.翻译
这个图书馆比那个图书馆有更多的书

这个句子里，of 是多余的。
这句话的意思是：这个图书馆里有着远比那个图书馆要多的书。