Mary's love of learning was so strong that she worked and saved her small amount of pay so she could go to school for another few months.
VOA: special.2010.06.27
Roger Ibbotson, who is a colleague of Bob Shiller's and mine at the School of Management, has done a fair amount of work, studying the relative importance of these sources of returns.
罗格·伊博森是,我和希勒在管理学院的同事,他在对回报率来源的研究上,做了大量的工作
We've been working to make our schools healthier. We've been working to increase the amount of physical activity that our kids are getting, not just during the day at school but also at home.
VOA: special.2010.06.07
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