討論過多次，那平均付1.3萬是得到資助的學生平均，付全費的沒算進去

• 55% of Harvard undergraduates receive financial aid and pay an average of $12,700 per year.

https://news.harvard.edu/gazette/story/2022/03/harvard-to-expand-financial-aid-starting-with-class-of-26/

試想哈佛大概一半的學生付全費， 哪怕其他一半都付0， 平均也是90000/2=$45000.

那些文章經常誤導。