1、The economy of many cities in the frostbelt has been declining due to deindustrialization.
许多寒带气候地区的城市由于去工业化而经济衰退。
2、People living in the frostbelt are accustomed to harsh winters and heavy snowfalls.
生活在寒带气候地区的人们习惯了严寒的冬季和大雪的降临。