值得思考的数据

plasmon

70% of PKU’s students were from rural areas in the 1950s. 60-70% in the 60s. Today, the number is less than 1%.

plasmon

在美国竞争最激烈的顶尖大学里，74%的学生来自前四分之一富裕人口，只有3%来自后四分之一人口。这中间存在的25倍差距，足以显示财富对学生进入大学有关键性影响。