There was not only a great increase of books in the world, but the books that were now made were plainer to read and so easier to understand.
不仅世界上的书籍大幅度增加，而且现在制作的书读起来更清晰，因此也更容易理解。
There was not only a great increase of books in the world, but the books that were now made were plainer to read and so easier to understand.
不仅世界上的书籍大幅度增加，而且现在制作的书读起来更清晰，因此也更容易理解。
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