LICENSE

Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Copyright (c) 2025 anwenchao

You are free to:
  Share — copy and redistribute the material in any medium or format
  Adapt — remix, transform, and build upon the material

Under the following terms:
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                and indicate if changes were made.
  NonCommercial — You may not use the material for commercial purposes.

No additional restrictions — You may not apply legal terms or technological measures
that legally restrict others from doing anything the license permits.

Full license text: https://creativecommons.org/licenses/by-nc/4.0/legalcode