translation.en: And he quickly surmised an exact mathematical solution that described something very extraordinary: curves so strong that space would rain down into them, space itself would curve like a waterfall flowing down the throat of a hole.
translation.zh: 并且很快推导出 一个精确的数学解 描述了一个非常异常的结果： 如果弯折过于强烈 宇宙将向内部塌陷， 宇宙本身将弯曲得像一个瀑布一样 流入一个洞中。