要从毛病中汲取教训，不要反复过错。Learn from your mistakes, but never repeat them. 要象恒温器，不要象温度计。Be a thermostat not a thermometer.
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but never repeat them
但千万不要重复
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Learn from your mistakes but never repeat them.
要从纰缪中吸取教训，不要反复纰缪。
youdao
Learn from your mistakes, but never repeat them.
要从错误中吸取教训，不要重复错误。
Learn fro my our mistakes, but never repeat them.
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