当今世界，环境问题越来越成为世界各国关注的对象，各国在环境保护与改善方面也都作出了很大努力。
In today's world, environmental issues increasingly become the object of attention around the world, the countries have all made a great efforts in environmental protection and improvement.
当今世界，环境问题越来越成为世界各国关注的对象，各国在环境保护与改善方面也都作出了很大努力。
In today's world, environmental issues increasingly become the object of attention around the world, the countries have all made a great efforts in environmental protection and improvement.
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