Thus we see from the outside, the inside is empty, the construction becomes lithe up.
这样大家从外面看,里面是空的,建筑就变得轻盈起来。
If you go underneath the surface, you will find the changes you don't see from the outside.
如果你透过表面往深层看,你会发现从外面看不到的变化。
Although this finding pertains to M33, it likely extends to other spiral galaxies, too-including our own, which we'll never get to see from the outside.
尽管该发现是针对M 33的,但也有可能被推广到其它的螺旋星系——包括我们所在的、无法从外部观察的银河。
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