But there's another group of experts who perhaps thought even harder about this problem, and they would say one of these questions is more important than the others.
اما گروه دیگری از متخصصان، که احتمالا خیلی بیشتر  به این مسأله فکر کردند می‌گویند یکی از این سوالات بسیار مهم‌تر از بقیه است.