网上免费下载的盗版资源,怎么来的?

https://m.bilibili.com/video/BV1by421a7xY?-Arouter=story&buvid=XXAAFAAA1B5150DEBAA27CDFC17FB8C7B939E&from_spmid=tm.recommend.0.0&is_story_h5=false&mid=xQNoIgb2yWi37GQCfZMLjX8FTQ%2FSZMtL1rElX6M3iMo%3D&p=1&plat_id=163&share_from=ugc&share_medium=android&share_plat=android&share_session_id=3beb7809-7a1f-4cbf-8c89-ddca6048976c&share_source=COPY&share_tag=s_i&spmid=main.ugc-video-detail-vertical.0.0×tamp=1708789421&unique_k=JwZ6Hua&up_id=2125580882&share_times=2&
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