You never know who or what might walk through the door.

VOA: standard.2010.07.06

Why is it that we're never observing this, for example, why is it the table doesn't diffract as we bring it through the door?

那么为什么我们,从来观察不到它呢，举个例子，搬动一个桌子穿过门,它为什么不衍射呢？

麻省理工公开课 - 化学原理课程节选

"We live next door to a cemetery," "And I was running through the cemetery.

VOA: standard.2009.04.21