environmental impro vement

例句：

1. 1. Thegovernment has made significant efforts to improve the environment.
   政府已经做出了显著的努力来改善环境。
2. 2.The company's environmental improvement program has been well received by the community.
   公司的环保改进计划受到了社区的热烈欢迎。
3. 3.Environmental improvement is crucial for sustainable development.
   环境改善对于可持续发展至关重要。