It might turn out if I had X-ray vision that what I see is this... Then the answer'd be there's not one train here.

有可能是,我看到的是这样。,答案就不是同一辆火车。

耶鲁公开课 - 死亡课程节选

Suppose we had X-ray vision and could see through the building.

假设我们有X光,可以看穿仓库。

耶鲁公开课 - 死亡课程节选

But we don't have X-ray vision.

但我们没有X光。

耶鲁公开课 - 死亡课程节选