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
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