translation.en: We know from working on animals that the truth is that's exactly what you don't want to do -- because evolution works on the just-good-enough principle, not on a perfecting principle.
translation.zh: 通过研究动物我们知道 其实这样根本不行。因为进化 遵循的是“见好就收”的原则，而不是“精益求精”