equilibrium in pure strategy

例句：

1. 1. The market is ata state of equilibrium.
   市场处于平衡状态。
2. 2. The two teams are neckand neck in the competition.
   两队在比赛中势均力敌。
3. 3. The equilibrium between supply and demand is crucial foreconomic growth.
   供需之间的平衡对于经济增长至关重要。