（四）对证人及其近亲属进行威胁、侮辱、殴打或者打击报复的；
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，更多细节参见搜狗输入法2026
swap(&arr[j], &arr[j + 1]);
As a beginner, I expected the arms and hands to flail around, knocking the blocks and cups around the room.
Replaced by: FastAPI BackgroundTasks (0% → 44%), rest Custom/DIY or non-extraction