Many of us have found ourselves in the following situation at least once: You're driving down the road, approaching a traffic light, and it turns yellow.
원문출처 : http://www.cnn.com/2017/12/08/health/how-to-stop-study/index.html
원문출처 : http://www.cnn.com/2017/12/08/health/how-to-stop-study/index.html