translation.en: Here we are at TED, and all the time we are very conscious of the huge challenges that human society has right now -- curing cancer, understanding the brain for Alzheimer's, understanding the economy to make it a little bit more stable, understanding how the world works.
translation.zh: 在TED，我们一直关注于 人类社会目前所面临的巨大问题 癌症治疗，了解阿尔茨海默病 了解经济好让它稳定点 了解世界是如何运转的