推薦Steven Pinker: Is the world getting better or worse? A look at the numbers easondefa 2018-09-16 推薦Steven Pinker: Is the world getting better or worse? A look at the numbers2019-01-25T20:34:45+00:00 未分類TED Talk Steven Pinker: Is the world getting better or worse? A look at the numbers 分享: on Twitter on Facebook on Google+
