Because Bill and Melinda have a foundation creator and supporters
indebted to one of my anonymous reviewers for this comment. We are profoundly indebted to him for his inspiring, generous and friendly help. I am indebted to members of the audiences in all these places for their questions and comments. I am indebted to two anonymous reviewers who helped to imprive this article.
#CarryOnLearning sorry if i got it wrong hope it helps