People who study this discuss the term--

研究这方面的人
use the term health disparities to describe this difference

用健康差异这个术语来形容这种差别
or they talk about an SES gradient,

他们也会用到SES梯度
and SES stands for

其中SES的意思是
social economic status or social class, in other words.

社会经济地位也即是社会阶层
One of the people who studied this most intensively

对这一方面研究得最透彻的
is a woman named Nancy Adler

是一位叫南希·阿德勒的女性
who's a scientist at The University of California San Francisco.

她是加州大学旧金山分校的一位研究员
The website that you see listed on the bottom

从列在这下边的网站中
has a lot of information on this particular issue

你们可以得到许多关于这个问题的信息
if you're interested in pursuing it.

如果你有兴趣深入研究的话
Let's look at some numbers.

好了来看看这些数字