They know how to seal the glass, schedule perpetual subsistence crops in a very small plot, recycle their wastes, balance their atmosphere, live without paper, and get along inside.

• 他们知道如何密封玻璃，如何在一小块地方种植能够永久生存的作物，如何循环废物，如何平衡大气，如何适应无纸生活，如何在里面生活下去。