local variable declaration

例句：

1. 1.The village is located in the countryside.
   这个村庄位于乡下。
2. 2.Local authorities have been working on a plan to improve public transportation.
   地方政府一直在努力改善公共交通。
3. 3. Local residents are concerned about the environmental impact of the construction project.
   当地居民对建设项目的环境影响表示担忧。