Last year I showed these two slides so that demonstrate that the arctic ice cap, 去年我给各位展示了两个关于北极冰帽的演示， which for most of the last three million years has been the size of the lower 48 states, has shru
That’s all right. We don’t need help. We’re just going to keep on pushing. We push, we push. The thing is slipping a little bit, but we stay with it. Finally -- finally -- we get thi
Well, my answer is going to make reference to three models for arguments. 好了，为了回答这个问题，让我们来参照三种不同的辩论方式。 The first model, let's call this the dialectical model, 第一种模式，让我们称之为辩证模式， is that we think of
