主动礼让
Voluntary comity
以上为机器翻译结果，长、整句建议使用 人工翻译 。
古时候(西周以前)，追击已逃的敌人不超过一百步，追踪主动退却的敌人不超过三天，这是为了表示礼让。
In antiquity, they did not pursue a fleeing enemy more than one hundred paces or follow a retreating enemy more than three days, thereby showing what are the forms of propriety.
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