difference in economic development的用法和样例：
- Traditional factors, such as colonialism, difference in economic development pattern and institutional analysis, have been considered to explain the huge gap between Latin America and East Asia.
- Luce also takes a stab at explaining the big regional differences in economic development within India.
- the difference in economic development between urban and rural areas
- Abstract： What is the shortcut in economic development?
- The Regional Differences in Economic Development of the Three Largest Peninsulas in China