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Because of rigorous short-term pollution controls, including taking huge numbers of cars off the road each day, Beijing enjoyed relatively clear skies when it hosted the Asia-Pacific Economic Cooperation summit meeting this month.

本月，在举办亚太经济合作组织（Asia-Pacific Economic Cooperation）峰会期间，由于采取严格的短期污染控制措施，包括每天对大量汽车限行，北京享受到了相对澄澈的天空。

This may also explain why the Asian region has decided to set up its own club: the Shanghai Cooperation Organisation.

这或许也能解释为何东亚地区决定建立自己的俱乐部：上海合作组织（Shanghai Cooperation Organisation）。

As a result, by 2011, China's spending on drugs was 43 percent of the total health expenditure, compared with an average of 16 percent in the dozens of countries with advanced economies in the Organization for Economic Cooperation and Development.

因此，2011年，中国在药品上的支出占到了全部医疗支出的43%，相比之下，经济合作与发展组织（Organization for Economic Cooperation and Development）数十个发达国家的平均比例为16%。