Looking at it gave her a sense of vertigo, as if she were looking not updown,across a gulf so wide that nothing could ever pass over it.

• 莱拉试图盯着那个移动的东西仔细看看，但却感到一阵眩晕，那个移动的小东西并不是极光的一部分，也不属于极光后面的那个不同的世界，它就在镇子的上空。