But because of doctor shortages or other needs, some have been able to get visas without the required two-year stay in their home country.

VOA: special.2009.06.02

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

There may be some sort of metaphysical laws that tie the two things so tightly together that you'll never actually get one without the other.

因为一些形而上学的定律,将两者紧密联系在一起,使你无法把其分离开来

耶鲁公开课 - 死亡课程节选

Just because it looks as though we can imagine it and just because it seems as though from the fact that we can imagine one without the other, it just won't necessarily follow that we really do have two things that are separate and not identical in the real world.

仅仅是因为我们似乎能够,想象到一个事物独立于,另一个事物存在这件事,并不能说明,在现实世界里,有这样两个,相互独立,而且不相同的事物

耶鲁公开课 - 死亡课程节选