改善经济发展环境
Improve the economic development environment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
人类环境的保护和改善是影响到世界人民幸福和经济发展的主要问题。
The protection and improvement of the human environment is a major issue which affects the well-being of peoples and economic development throughout the world.
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