translation.en: Scientists at the University of Minnesota did a study in which they could predict with 77 percent accuracy, at age 18 months, based on who had good attachment with mom.
translation.zh: 明尼苏达州大学的科学家做了个研究 看谁可以在18岁 从高中毕业 有77％的准确度 取决于他们与母亲的亲密程度。