translation.en: And second, it gives us the opportunity to understand how these supermassive black holes interact with their environment, and to understand how they affect the formation and evolution of the galaxies which they reside in.
translation.zh: 其次，这给我们一个机会 去了解这些特大质量黑洞是如何 与他们的环境进行互动， 以及它们是如何影响到 所处宇宙的形成和演化