Babyfaceness is but one example: political conservatism, style of speech or dress, smiling behavior, or even a Harvard education might also serve a similar disarming function.
娃娃脸只是一个例子：政治保守主义，语言或穿着的风格，微笑的行为，或者乃至哈佛教育也可能作为撤防功能。
That is, we smile because we’re happy, but also to an extent we can make ourselves happier by smiling.
比如说，我们会因为开心而笑，在某种程度上，我们也会因为笑而变得开心。
Your photo also probably features smiling faces, but that's not the focal point.
也许你的照片里还有微笑的面庞，但那并不是关注点。
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