inter-regional income gap的用法和樣例：
例句
- We choose the new visual angle to analyze the income gap of urban residents from the house estate price.
我們選擇新的視角即從房地產價格方面來分析城鎮居民收入差距擴大問題。 - Therefore, we should take powerful measures to reduce the oversized disparity of inhabitant income, and promote the expansion of agricultural product demand.
因此，應採取有利措施，適當縮小居民收入差距，促進農產品需求的擴大。
