... ㅠㅠㅠㅠ air pollution 관한 거고 coal의... with coal. I'll start by outlining some specific details about coal, air pollution, and then we can...
https://www.youtube.com/watch?v=uXedhWyTZBs Loretta Lynn의 Coal Miner's Daughter를 부르는여자 가수 7명의 이름을 알려주세요. (답 찾았음 ㅋㅋ)...