
Hmm it was pretty good Question.
Are you working with the American company? that's quiet correct American people speaking is far different?
tip 1. try watching the American Movie with subtitle.
2. be well prepare and ready to listen to your target 90%carefully.
3. Learn their culture
4. find out American Dictionary and compare your british one.
but be nothice that America is America , british is british. so some word they can't be understood so well
more information please be presure to call me 011544507
from william your business friend