@mllichti @kyle_ferriter @sinz54 @mattyglesias This isn't true at population level. It might be true for commuters, since they're younger than average (no elderly retirees in that pool)
@mllichti@kyle_ferriter@sinz54@mattyglesias这在人口水平上是不正确的。对于通勤者来说，这可能是真的，因为他们比平均水平年轻（这个群体中没有退休老人）