translation.en: And while we've never heard the sounds from space, we really should, in the next few years, start to turn up the volume on what's going on out there.
translation.zh: 虽然我们从未听到过来自外太空的声音， 但我们应该能够在接下来的几年内， 把音量调大，听听那儿究竟发生了什么。