So, having other particles around that have the same energy that you could technically add up if you were adding them up like a wave, you can't do the same thing with particles, they're all separate.

所以，如果它们是波,你可以把其他的,拥有相同能量的粒子加起来，但是你不能把这些粒子加起来，因为它们是分离的。

麻省理工公开课 - 化学原理课程节选

If we want to get at the central badness of death,it seems to me, we can't focus on the badness of separation,the badness for the survivors.

如果我们想要了解死亡最根本的坏处，我们不能专注于分离和给存活的人的坏处上。

耶鲁公开课 - 死亡课程节选