With the progress of the times, books have also undergone a huge change, now can be read on the phone e-books, this makes our life become convenient and fast, reading can also be anytime, e-books can exist in the mobile phone, can go through at any time, but it also has shortcomings, long-term viewing of e-books will cause vision loss, and traditional books do not worry about this, but traditional books are not as good as e-books to carry. To sum up, both e-books and traditional books have their advantages and disadvantages.
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