And even if you follow the optimal strategy, you're not guaranteed a perfect outcome.

即使您遵循最佳策略，也不能保证获得完美的结果。

Nash equilibrium is a state where both actors believe they have found an optimal strategy while taking into account the other actor's possible decisions, and neither of them have interest in changing their strategy.

纳什均衡是一种状态，在这种状态下，双方都认为自己找到了最优策略，同时也考虑了对方可能做出的决定，双方都无意改变自己的策略。