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看完本文前两部分的读者应该已经明白，靠肚子上一个没有任何实际功能的小坑来诊断疾病，是一件非常不靠谱的事情。虽然词条中也有“当腹部有大量积水或卵巢囊肿时，肚脐就会向外突出”这样稍微靠谱的表述，但这并不意味着肚脐凸起的人就一定有积水或者卵巢囊肿。
打个简单的比方，“狗有四条腿”成立，反过来“有四条腿的就是
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%8C%A3%D3%C3%D4%4F%82%E4%40%31%33%37%31%30%30%37%39%36%38%38
