So it hasn't just been the spread It's also been the upgrading of tasks like lawyer and doctor and what have you that have made demands on our cognitive faculties.
즉 단순히 변호사나 의사들을 봐도 그렇지만 직무의 수준 또한 높아져 우리에게 더 고차원의 인지 능력을 요구하는 것입니다.