regional economic exploration的用法和樣例：
例句
- We have embarked on the policy of economic development.
我們已開(kāi)始執行經(jīng)濟開(kāi)發(fā)政策。 - To avoid ruining the environment in the west, strict supervision of economic developmentconstruction in the western areas is necessary.
避免破壞西部環(huán)境，有必要對西部地區的經(jīng)濟開(kāi)發(fā)與建設進(jìn)行嚴格監督。
