translation.en: The final one is interesting, because the term "refrigerator mother" was actually the original hypothesis for the cause of autism, and that meant somebody who was cold and unloving.
translation.zh: 最后一条很有趣， 因为「冰箱母亲」在最初被认为是 孩童自闭症的原因， 这个词表示那些冰冷的、没有爱心的人。