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(A)Endorphins not only make us feel better, but reduce pain as well.
(B)Studies show that smiling reduces stress and stress-related hormones.
(C)We can even get the benefits of smiling just by making ourselves smile.
(D)In other words, we smile because something happens that makes us happy.
詳解 (共 3 筆)
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研究表明，微笑對我們的健康有很多積極的影...
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42 But then, our sm...
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（A）內啡肽不僅使我們感覺更好，而且減少...
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