21. 밑줄 친 this liquidity이 다음 글에서 의미하는 바로 가장 적절한 것은? [3점]Media coverage of sports is, by its very nature, ephemeral. The temporary loss of the here and now is embraced when we consume mediated sports coverage as a welcome break from the press of everyday demands. Yet, many sports fans recognize that contests that once seemed both urgent and critical often melt into the background in a week's time ..