translation.en: And a million tons is enough to make, say, a self-contained space station, on which there's a colony of scientists that are devoted to creating an open-ended stream of knowledge, and so on.
translation.zh: 一百万吨足够建造一个，比方说，自给自足的空间站， 在这个空间站内聚居着一群科学家，他们致力于不断创造 开放式的知识，等等。