这是一句俗语,其寓意是在告诫人们犯了错误后应很好地总结经验,汲取教训,免得再重蹈覆辙。可以翻译为 "Don't forget the pain after the scar is cured." 也可以意译为 "make the overturning of the chariot in front a warning for the chariot behind." 或 "learn caution through an unpleasant experience." 这样翻译已经够简单的了,不能再简写。
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