Pop culture expert Robert Thompson says the changes could be seen in film and television as well.

VOA: special.2009.05.04

I'll end by telling you that there's a lot of stuff that we'll be talking about, that I want to talk about, that I am not expert in.

最后还要告诉你们,我们还会讲到很多其它的内容,是一些我会讲到的东西,但我并不是那些方面的专家

耶鲁公开课 - 心理学导论课程节选

But an expert in emergency medicine says a person cannot be worse than dead.

VOA: special.2009.08.11

But technology expert Rob Atkinson says smartphones will most likely not be widely used in many developing nations because of their cost, and the cost of connected on-line data plans.

VOA: standard.2010.06.25

In 1981 Ayala joined a legal battle as an expert witness in the challenge against an Arkansas law mandating that the biblical story of creation be taught in schools, alongside Darwin's theory of evolution.

VOA: standard.2010.04.05