But what you can do with human stem cells, now, is actually create avatars, and you can create the cells, whether it's the live motor neurons or the beating cardiac cells or liver cells or other kinds of cells, and you can test for drugs, promising compounds, on the actual cells that you're trying to affect, and this is now, and it's absolutely extraordinary, and you're going to know at the beginning,
但是现在有了人类干细胞， 我们就可以为患者创造阿凡达，创造细胞， 不管是活态的运动神经元细胞， 是跳动着的心脏细胞，还是肝细胞， 或者其他类型的细胞， 都可以造来测试药物或有希望的复合物， 测试的对象就是你想要改变的细胞， 这一点现在就可以做到，绝对意义非凡。 而且你从一开始，