I'd definitely ask that question of some of your target audience; whether they'd prefer English or localized explanations, etc. If they're targeting TOEIC, or

I'd definitely ask that question of some of your target audience; whether they'd prefer English or localized explanations, etc. If they're targeting TOEIC, or have passed it, I think it's okay to have some faith in them. Of course, training wheels don't always hurt, either. :)