They can be snapped together to make any number of objects.

VOA: special.2010.07.30

And it refers to a number, it refers to objects.

它可以询问数目或是物品。

Is there any 课堂 - SpeakingMax英语口语达人

Problem is here, that Player II has a continuum of strategies and trying to draw all possible probabilities over an infinite number of objects on the board is more than my drawing can do. Too hard.

现在问题是,参与人II的策略是连续的,想要把无限可能性的概率,做成图都画在黑板上,是不可能的了

耶鲁公开课 - 博弈论课程节选