1. But until recently, the academic edge gained by participating in sports was thought to come from the increased self-confidence, the better mood, and the ability to concentrate that comes from burning off steam in exercise. 但直到最近,人们还认为因参加体育运动而获得的学业优势来自于增强的自信、更好的心态,以及由运动时消耗体力所带来的集中注意力的能力。
2. What researchers have been trying to understand is how they work together; how one's ability to handle stress, for instance, affects the ability to concentrate and put intelligence to use. 研究人员想要弄清的是两者是如何共同起作用的;举例说,一个人应付压力的能力是如何影响他集中精力,运用智力的能力的。