a person with a background in psychology and public health,

有着心理学和公共健康学的背景
and then the other speakers who come along,

还有其他的演讲者
what kind of backgrounds did they have?

他们有着怎样的背景呢
Rogan Kersch in political science;

罗根·克什研究的是政治科学
Derek Yach from PepsiCo

来自百事公司的德里克·亚赫
was an epidemiologist to begin with, and a physician;

最初是一名内科医生和流行病学家
Stephen Teret, a lawyer;

斯蒂芬·特里是一名律师
all these people are having a big impact.

这些人都作出了巨大贡献
Brian Wansink, a person with a background in business and marketing,

布莱恩·汪辛克有着有商业和市场营销的背景
all these people are having an impact,

同样也作出了巨大贡献
so there's something that can be done

从各种不同的角度
from a lot of different perspectives angling in on this one thing,

我们都能做些什么对这件事