Words from the frontispiece

1. This volume has nothing to do with any of the volumes

2. This volume is suitable for those who "seek deep and ubiquitous".

3. All kinds of brain holes in the volume are made up in the author's brain during self-study

4. This volume is used by the author to relax his mind

5. The author will update the volume as soon as Kavin

6. Spain was beaten and lost 4 goals, bastard

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