英语听力精选进阶版 15775（在线收听）

Bottom Line: Expertise 23 Feb 12

Thu, 23 Feb 12

The curious business of expert advice. Evan Davis's guests this week come from very different industry sectors, but have one thing in common - they're to some extent selling expertise, knowledge that the customer doesn't have. If consumers are in a state of relative ignorance, how can they shop around? What stops them getting ripped off? They also swap thoughts on religion in the workplace.