第四，反对贸易保护主义，促进多哈回合谈判早日取得全面、平衡的成果。

Fourthly, oppose trade protectionism and facilitate early, comprehensive and balanced outcomes of the Doha Round Negotiations.

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四合院由花园和保护的高墙构成，花园被四个房子环绕着。

A single implementation of Si He Yuan comprises of garden surrounded by four houses and protected by high walls.

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根据环境保护部对全国338个城市的调查，2016年，只有四分之一的中国城市达到了国家的空气质量标准。

In 2016, only one fourth of Chinese cities met the country's air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection.

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