Retaining a childish heart is a matter of pride.

保持童心是一种荣誉。

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Between them, they've written the phrase 'I love Daddy' twice, substituting the word 'love' for a childish heart symbol, and underneath is the merry phrase: 'Smile, it's for free.'

其中，他们写了两遍“爸爸，我爱你！” 中间的“爱”字用一个可爱的桃心形代替，下面则是依据祝福语“微笑，象征着自由。”

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