法学

• one country two system

• one country and two systems

经济学

• one country, two systems

  Therefore, foreign experts regard town enterprises, "combined production and contracted management system", special ecomomic areas and "one country, two systems" as "four outstanding achievements of China’s reformation and opening".

  因此，乡镇企业与联产承包、经济特区和“一国两制”被国外专家评价为中国改革开放最具代表性的四大成果。

政治学

• one country

• two systems