translation.en: So our human face happens to be one of the most powerful channels that we all use to communicate social and emotional states, everything from enjoyment, surprise, empathy and curiosity.
translation.zh: 人脸是交流的最强大的渠道之一， 我们所有人都用它来表达社会和情绪状态， 从喜悦、惊讶 到同情、好奇等等。