방법1: https://drive.google.com/file/d/1-B58LvcVDxete_nuW6XA0KUz2Dutskgj/view?usp=drivesdk 방법2: https://drive.google.com/file/d/1LyhSfB7o_TNYxGuIeOQEvaDrPXgW7LEC/view?usp=drivesdk 전송