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nínshìfǒuzàixúnqiú： 补锅 补锅匠 补锅匠就没有生意了 补锅 补锅匠 补锅匠就没有生意了 gèngduōjiéguǒ...

yīngwénjièshì: n.  If ifs and ans were pots and pans, there'd be no trade for tinkers.