And as global demographics change and modern medicine increases lifespans, designers must take into consideration not only children, pregnant women, and the elderly, but themselves as well, since they are more likely than ever to end up the beneficiaries of such designs.
何況全球人口結構已大幅改變、醫學科技延長人類壽命，任何人都可能面臨漫長的衰老期，因此設計者思考產品時，若把小孩、孕婦、老人排除在外，等於也把「自己」排除了。