translation.en: In plate tectonic theory, we knew that if you had plates collide, it made sense: they would crush into one another, you would thicken the crust, you'd uplift it.
translation.zh: 在板块构造理论中，我们知道，如果板块相撞， 这讲得通，它们会相互挤压进对方， 外壳会变厚，会抬高。