translation.en: And so we wondered: Might there be some agent that is in us, something that we make ourselves, that we might be able to regulate our own metabolic flexibility in such a way as to be able to survive when we got extremely cold, and might otherwise pass away?
translation.zh: 因此，我们想知道：是否我们体内有些 机制，就是我们自身的某种机制 使我们也许能够调整自己的新陈代谢活性 这样一来，就能够经受 极度的寒冷，而如果没有这种技能，就可能会死去。