translation.en: Well we decided that we're going to create growth charts of social engagement, and we sought children from the time that they are born, and what you see here on the x-axis is two, three, four, five, six months and nine, until about the age of 24 months, and this is the percent of their viewing time that they are focusing on people's eyes, and this is their growth chart.
translation.zh: 所以我们决定我们要作出一个 社交发展的成长图 我们找了很多孩子参与实验，从他们出生开始 大家可以看到X轴上写着2，3，4， 5，6，到9，一直到大概24个月 这些是他们盯着人的眼睛 看的时间百分比， 这就是他们的成长表