owe a great debt to(The world owes a great debt to Austrian musicologist Ludwig von Köchel for his tremendous work to catalogue the complete works of Mozart.ART Vancouver)
family affair("это у кого-л. в роду": Cooking is a family affair in the Trasolini household. Everyone enjoys cooking – Grampa Luigi, Grandma Maria, son Damiano, his wife Sylvia, and their three kids – Brian, Griffin and Sienna.ART Vancouver)