2021-10-20 脱労働社会は来るのか? ネタ https://genpaku.org/keynes/misc/keynesfuture.pdf?fbclid=IwAR3kAIg6zGGiIcNe5wAjq_5esc7ndblz7taCcysLNk5hcU780vEBuRb4MBI