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来源：雅诚德英语网
In 2014, the Organization for Economic Cooperation and Development looked at data from nearly three quarters of the world's countries.
2014年，经济合作与发展组织研究了世界上近四分之三的国家的数据。
In 2014, the Organization for Economic Cooperation and Development looked at data from nearly three quarters of the world's countries.
2014年，经济合作与发展组织研究了世界上近四分之三的国家的数据。