출처:https://www.youtube.com/watch?v=a-13ogfQliI&list=PLBgV3gM5EcQOtIgd-6pwnkC-IerRqZczZ 출처:https://www.youtube.com/watch?v=DPWPd5d0sQk&list=PLBgV3gM5EcQOtIgd-6pwnkC-IerRqZczZ&index=3 뭐가 더 좋냐ㅇㅇ