A major reason for this ban is the belief that kids of first cousins are tragically susceptible to serious congenital illnesses.
A major reason for this ban is the belief that kids of first cousins are tragically susceptible to serious congenital illnesses.
颁布此禁令的一个主要原因是人们相信近亲结婚易导致下一代不幸地患上严重的先天性疾病。