2050년 미래 사회 모습 예측하기 by 반상현 https://padlet.com/banteacher87/4vesu3jj0imd3at5 en-us 2022-08-03 14:56:37 UTC 2022-08-05 03:19:32 UTC hello@padlet.com 반상현 banteacher87 https://padlet.com/banteacher87/4vesu3jj0imd3at5/wish/2254806613 로봇들이 택배를 집 앞까지 배송해준다.]]> 2022-08-04 12:18:05 UTC https://padlet.com/banteacher87/4vesu3jj0imd3at5/wish/2254806613