So, what I want to tell you, very briefly, is a few examples of the excitement of what we can do today at the center of the galaxy, now that we know that there is, or at least we believe, that there is a supermassive black hole there.
简而言之，我想说的是 这几个例子 代表着我们今天所能达到的水平 在星系的中心，现在我们确认 或者说至少我们相信 存在一个巨型黑洞