来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第20集 第20集》
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who's at Temple University, published a study he did来自坦普尔大学的研究者发表了他对 -
in Philadelphia with middle school students, where he found that费城的中学生做的研究 他发现 -
if you go in and make a lot如果有人介入并 -
of these substantial environmental changes,改变其中的一些物质环境 -
he was able to document他当时就可以用文件证明 -
that he could prevent the onset of overweight他可以防止 -
in the students--in the学生中或 -
middle schools that got this intervention.实施这项干预的学校中超重的发生 -
So in other words,换言之 -
there was sort of the average rate of overweight有某个平均超重率 -
that was going to happen in both schools.是在两所学校中都存在的 -
In the intervention school,在采取干预措施的学校中