国家往往因卫生、教育和收入指标低而被定义为贫穷，但是索马里的条件实在太恶劣，以至于无从记录。
Poor countries are often defined by their weak health, education and income measures, but conditions in Somalia are mostly too wretched to record.
例如白人罗马天主教徒在最近几十年中在财富、收入、教育、和其它衡量幸福的指标方面都在向上流动。
White Roman Catholics, for example, have been upwardly mobile in terms of wealth, income, education and other measures of well-being in recent decades.
衡量教育和培训对他们收入的作用的一个重要指标便是教育收益率，国内外学者对此做了很多的实证研究。
Rate of Return to Education is an import indicator which measures the role of education and training to revenue, domestic and foreign scholars have done a lot of empirical research.
这项指标从三个方面衡量一个国家的成就：寿命，教育和收入。
The index measures a country's achievement in three ways: life expectancy (how long people usually live), education and income.
这项指标从三个方面衡量一个国家的成就：寿命，教育和收入。
The index measures a country's achievement in three ways: life expectancy (how long people usually live), education and income.
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