There’s the primary labor market and the secondary labor market.

有初级劳动力市场和次级劳动力市场。

The primary labor market includes jobs that provide lots of benefits to workers, like high incomes, job security, health insurance and retirement packages.

初级劳动力市场包括为工人提供很多福利的工作，例如高收入、工作保障、健康保险和退休福利。