Here's what hard science reveals about eye contact: We know that a typical infant will instinctively gaze into its mother's eyes, and she will look back.
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家里还要有婴儿的笑声、妈妈的歌声、爸爸的力量、爱的温暖、幸福的眼神、善意、忠诚和同志之谊。
It is the laugh of a baby, the song of a mother, the strength of a father, warmth of loving hearts, lights from happy eyes, kindness, loyalty, and comradeship.