By the time Olympic athletes arrive in Pyeongchang, South Korea, they have trained their bodies to near-perfection. But it's how well they've trained their minds that may determine who's more likely to take home a medal.
원문출처 : http://www.cnn.com/2018/02/09/health/olympics-mind-of-a-medalist-explainer/index.html
원문출처 : http://www.cnn.com/2018/02/09/health/olympics-mind-of-a-medalist-explainer/index.html