Object permanence is the understanding that things exist when you no longer see them.

客体永存性是指,知道某人或某物虽然现在看不见,但仍然是存在的

耶鲁公开课 - 心理学导论课程节选

These are sort of flailing away at different ideas but another way of doing--an older way is proposed by Plato, who viewed laughter as a form of bonding against a common enemy.

我现在说的都是各种猜想,但从另一个角度看，一个古老的角度,这是由柏拉图提出的，他认为笑是一种巩固感情的形式,对抗共同的敌人。

耶鲁公开课 - 心理学导论课程节选

We've already done this to some extent with domains such as visual perception, memory, language and rationality, but now we're going to move to the case where it's maybe even somewhat more difficult to do this.

在某种程度上，我们已经做了,在这些领域，诸如,视觉感知，记忆，语言及合理性，但现在我们要看的例子,也许做起来有点难度。

耶鲁公开课 - 心理学导论课程节选