Cambridge ELT's Professional English Online site has a useful Jargon Buster section featuring 40 words and expressions from the world of business. Entries include Ponzi scheme, paywall, quantitative easing and credit crunch, all of which have been in the news over the past year or so. For each entry there is an explanation, suggestions for using it in class, and links to sites where you can read more about it.
COMMENT
The word 'jargon' is often used in a derogatory way, but many of these terms are essential to understanding today's business environment.
