{"id":165,"name":"CH3-1. Production possibility curve ","extension":"mp4","fileType":"1","modifiedDate":"2022-03-25 19:40:25","ownerId":"3","publicity":"1","driveContentType":2,"deletedTime":"2022-04-25 18:33:38","recordedDate":"2022-04-25 18:33:38","recordedBy":"717"}