By the time the Olympic Games opens in 2008, Beijing will have high environmental quality standards.
到2008年奥运会举行时, 北京将达到要求的环境质量标准.
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This gives a strong environmental care message as well as improving environmental quality standards.
这传达了很强的关爱环境的信号,同时也提高了改善环境质量的标准.
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