translation.en: What I'm trying to understand, and what other colleagues of mine are trying to understand, is how we moved from that cold climate condition to the warm climate condition that we enjoy today.
translation.zh: 我想要研究清楚的东西， 也是我的同事们想要弄明白的东西， 就是我们如何从那种极端寒冷的气候 转变成现在我们所享受的 这种温暖气候的。