六级But economists who study the relationship between money and happiness have consistently found that, above a certain income, the two do not reliably correlate.

但是研究金钱和幸福之间关系的经济学家一致发现，在一定的收入水平以上，两者之间并不存在可靠的相关性。

2013年12月阅读原文

六级So what factors, at the community level, do predict if poor children will move up the economic ladder as adults? What explains, for instance, why the Salt Lake City metro area is one of the 100 largest metropolitan areas most likely to lift the fortunes of the poor and the Atlanta metro area is one of the least likely?Harvard economist Raj Chetty has pointed to economic and racial segregation, community density, the size of a community's middle class, the quality of schools, community religiosity, and family structure, which he calls the single strongest correlate of upward mobility.

那么，在社区层面上，有哪些因素可以预测贫困儿童是否会在成年后的经济阶梯上上升呢？例如，是什么解释了为什么盐湖城大都会区是最有可能给穷人带来财富的100个最大大都会区之一，而亚特兰大大都会区是最不可能的地区之一？哈佛大学经济学家Raj Chetty指出了经济和种族隔离、社区密度、社区中产阶级的规模，学校的质量、社区的宗教信仰和家庭结构，他称之为向上流动的唯一最强关联。

2015年12月阅读原文

六级first, they explain that if a given variable is playing a role in affecting well-being, then we should expect any change in that variable to correlate with the observed changes in well-being.

首先，他们解释说，如果给定变量在影响幸福感方面发挥作用，那么我们应该期望该变量的任何变化都与观察到的幸福感变化相关。

2019年12月六级真题（第一套）阅读 Section B

六级Harvard economist Raj Chetty has pointed to economic and racial segregation, community density, the size of a community's middle class, the quality of schools, community religiosity, and family structure, which he calls the "single strongest correlate of

哈佛大学经济学家拉吉·切蒂（Raj Chetty）指出了经济和种族隔离、社区密度、社区中产阶级规模、学校质量、社区宗教信仰和家庭结构，他称之为“单一最强大的相互关联”

2015年12月六级真题（第三套）阅读 Section C

六级Harvard economist Raj Chetty has pointed to economic and racial segregation, community density, the size of a community’s middle class, the quality of schools, community religiosity, and family structure, which he calls the “single strongest correlate of upward mobility.

哈佛大学经济学家Raj Chetty指出了经济和种族隔离、社区密度、社区中产阶级的规模、学校的质量、社区宗教信仰和家庭结构，他称之为“向上流动的最强关联”。

2015年12月大学英语六级考试真题（一）