Why is it that when we had rotary phones, when we were having folks being crippled by polio, that we were teaching the same way then that we're doing right now?
为何在我们还使用旋转式拨号电话机时， 当我们还有人因脊髓灰质炎而至残跛行时， 我们所受的教育 和现在的孩子所受的教育还是完全一样的呢？