translation.en: The chairs you're sitting in, the lights in this auditorium, my microphone, the iPads and iPods that you carry around with you -- all are a result of cumulative cultural adaptation.
translation.zh: 你们坐着的椅子，礼堂里的灯 我的手机，你们携带的iPad和iPod 这些都是 累积性文化适应的结果