translation.en: I'm going to try to give you a view of the world as I see it, the problems and the opportunities that we face, and then ask the question if we should be optimistic or pessimistic.
translation.zh: 我要跟大家分享一下我眼里的世界 我们所面临的问题以及现存的机遇 接着我会提出我们应当做乐观主义者还是悲观主义者这个问题