Now, of course, it could still be that in the real world the one thing cannot exist without the other.

还是可以说,在真实世界里,某物不能脱离于另一物而独立存在

耶鲁公开课 - 死亡课程节选

Use the "Is there" whenever you want to ask if something exists.

当你想知道某事或某物是否存在时，就可以使用“Is there”句型。

Is there 课堂 - SpeakingMax英语口语达人

The question is, "Could there be a machine that could feel something, could have an emotion of some sort?"

能否存在这样的机器,它可以感觉到某物,可以有某种情感

耶鲁公开课 - 死亡课程节选

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

The point is just if I can at least imagine the one thing without the other, they must in fact be two separate things.

我们要讨论的是,至少如果我可以想象,某物独立于另一物存在,那么它们就肯定彼此不同

耶鲁公开课 - 死亡课程节选

If I can imagine one thing without the other, they must be separate things.

如果我能想象某物独立于另一物存在,那它们就是彼此独立的

耶鲁公开课 - 死亡课程节选