With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色体,一个处于成长阶段的胚胎可能发育成一个具有不良综合症的小孩。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,
风俗在形成个人行为方面所起的作用和一个对风俗的任何影响相比,