这些是衡量世界进步的最根本的方法——而且通过以下的估量,2014绝对又是让人欢喜的一年。
These are some of the most fundamental ways to measure the world's progress-and by that measure, 2014 was definitely another good year.
这些是衡量世界进步的最根本的方法——而且通过以下的估量,2014绝对又是让人欢喜的一年。
These are some of the most fundamental ways to measure the world's progress-and by that measure, 2014 was definitely another good year.
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