highway beautification

例句：

1. 1. The government is committed to improving the aesthetics of our highways.
   政府致力于改善我们高速公路的美观。
2. 2.The beautification of the highway has greatly improved the local environment.
   高速公路的美化极大地改善了当地环境。
3. 3. The beautification of the highway has attracted more tourists to visit our city.
   高速公路的美化吸引了更多游客来访问我们的城市。