One tip about this, try to identify all the dominated strategies of all players before you delete, then delete.

这里有一个窍门,在剔除之前试着找出,所有参与人的劣势策略,然后再剔除它们

耶鲁公开课 - 博弈论课程节选

But it is the case that they're dominated once we delete the dominated strategies: once we delete 67 and above.

但一旦我们剔除了原劣势策略,即选择67及大于67的数之后,他们才是劣势策略

耶鲁公开课 - 博弈论课程节选

And this is because as you start writing--saving files to your hard drive, what happens is you might save this file here, then this one, then this one, then this one, but very reasonably you might go back eventually and delete this one.

这是因为当你开始对硬盘驱动器进行读写时,你可以保存一个文件到磁盘的某处，然后再一个，再一个，又一个，最后你可能回到这,并删除这一个文件。

哈佛公开课 - 计算机科学课程节选