translation.en: But using some of these same methods, we can look at the NSA's data centers, and figure out, you know, we don't know what's going on there, but it's pretty clear that their operation is not the size of Google's.
translation.zh: 用同样一些方法 我们可以观察安全局的数据中心 虽然我们我们不清楚哪里的情况 但很清楚他们的操作系统 谷歌的大小不同