translation.en: And this is exactly how one cancer cell becomes two cancer cells, two cancer cells become four cancer cells, and we have ultimately uncontrolled tumor growth.
translation.zh: 这就是一个癌细胞分裂生两个的过程 这就是一个癌细胞分裂生两个的过程 两个癌细胞再变成四个 最后变成 无限增长的肿瘤