k--; // 剩余删除名额减1（关键：控制删除位数，保证保留足够长度）
但在其中一個案例中，埃及與埃塞俄比亞之間的「戰爭」其實只是關於水壩建設的爭端，並沒有真正的戰鬥需要結束。，更多细节参见夫子
Кадр: The Sun / youtube。同城约会对此有专业解读
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