?? ??, ??? ??, ??? ??, ??? ??? ??, ??? ????, ??? ?? ??, ??? ???, ??? ??, ??? ???, ?? ???? ??? ???? ???? ?? ??? ??????? ?? ? ????. ???? ?? ?? ???? ?????!“It in fact integrates and systematizes human beings’ subjective judgment into your design schooling method,” Sam Stone, the director of products management, pricing and knowledge products at