English in a Minute: Rule of Thumb – VOA Learning English (Aug 06, 2016) Editorial Words 8 years ago https://av.voanews.com/Videoroot/Pangeavideo/2016/06/4/4c/4ced7273-5986-4dc9-8bea-ece601059443.mp4?_=1 What does a thumb have to do with rules? Find out how to use this expression in this week’s English in a Minute! This video was originally published on the www.learningenglish.voanews.com and reproduced here with permission. Courtesy: Voice of America
