the dual economic structure

• 二元经济结构

the dual economic structure的用法和样例：

例句

1. The first part has a discussion on the theory of dual economic structure and the demonstrational analysis on it.
   第一部分论述了二元经济结构理论及实证分析。
2. The dualistic economic structure existing in China for a long time has led to the lack of a social security system in rural areas.
   摘要长期二元经济结构存在带来的负面影响，使农村社会保障制度严重缺失。