translation.en: But there was something else that I've noticed as those changes were taking place, as people were starting to find out that hmm ... yeah, there really is a black hole at the center of every galaxy.
translation.zh: 然而，我注意到另一件事， 世界确实是瞬息万变，人们开始发现 嗯...是的，每个星系中心都存在着一个黑洞。