the development of western region

• 西部大开发

the development of western region的用法和样例：

例句

1. The key point is the correct enforcement of laws.
   正确实施法律是西部大开发顺利进行的关键。
2. Significant headway has been made in the large-scale development of China's western region.
   西部大开发取得重要进展。