우리나라에서

 

 

 

 

논해야 할 문제.

 

너무 뒤처졌다.

 

https://www.youtube.com/watch?v=YeD-d-bds1Q&ab_channel=%EC%98%AC%EB%9E%9C%EB%8F%84%ED%82%B4%EB%AF%B8%EA%B5%AD%EC%A3%BC%EC%8B%9D

https://www.youtube.com/watch?v=R4IeGToUDgQ&ab_channel=%EC%9D%B4%ED%9A%A8%EC%84%9D%EC%95%84%EC%B9%B4%EB%8D%B0%EB%AF%B8