A poker face never shows any emotion, never expresses either good or bad feelings.

VOA: special.2009.11.22

Since the connection with the poker chips is established through classical conditioning, sooner or later by that logic the poker chips would lose their power to serve as reinforcers.

因为与扑克筹码有关的联结,是通过经典条件作用建立的，所以按照这种逻辑,扑克筹码迟早会失去强化物的作用。

耶鲁公开课 - 心理学导论课程节选

typically, if you play poker in a card room or a casino, I would say nine times out of ten somebody sitting at the table will tell you that they're not trying; it almost always happens.

通常，如果你在棋牌室或者赌场玩扑克，十有八九，我敢说坐在牌桌上的某个人,会告诉你他们并没有在努力去赢；,这几乎总会发生。

耶鲁公开课 - 金融市场课程节选