LA到SF，not enough ridership.

来源: 于 2012-12-27 19:34:33 [旧帖] [给我悄悄话] 本文已被阅读：次

the area of california is the sum of hebei, shanxi and henan, but only has 30M+ population.

hebei has 70M population (excluding beijing and tianjin) but one third of ca size.