악기를 익히고; 다른 직업을 갖거나 세계를 여행한다.
But what about society as a whole? Would it be better off if life spans were doubled? The question is one of growing relevance, and serious debate about it goes back at least a few years to the Kronos Conference on Longevity Health Sciences in Arizona.
그러나 전체적으로 사회는 어떠한가? 만약 수명이 2배가