人有的时候喜欢自己跟自己较劲。比如打壁球。就在这么一个60平米大小,6米来高的壁球练习场里,每个人都可以拿自己当对手,挥拍挥到淋漓尽致,击球击到精疲力竭。所以你经常可以在壁球馆里看到这样的情形:球手一边累得气喘吁吁,一边却越发卖力地回球;而当两个人 Sometimes people like to compete with their own. For example, playing squash. In such a 60 square meters size, 6 meters high squash practice field, everyone can take their own opponents, swinging to the fullest, hit the ball exhausted. So you can often see this in a squash court: the player is exhausted and exhausted, while the player is exhausted and exhausted; and when two people