It is brought out a common attention is how to effectively protect environment all over the world and the environmental issue has become one of the most concern and thorny issues in this century.
环境质量及环境保护日益受到世界各国的普遍重视，环境问题已成为本世纪最为关注和最为棘手的问题之一。
It is brought out a common attention is how to effectively protect environment all over the world and the environmental issue has become one of the most concern and thorny issues in this century.
环境质量及环境保护日益受到世界各国的普遍重视，环境问题已成为本世纪最为关注和最为棘手的问题之一。
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