translation.en: But it turned out it wasn't going to be as simple in the end, and it set us back three months because we had one error out of over a million base pairs in that sequence.
translation.zh: 最终证明这不是件简单的工作 它将我们的工作又倒回到了三个月 因为我们除了各小错误 在这个超过一百万对的密码子的序列中