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But sadness and depression are not the same.
但是悲伤和抑郁症是不一样的。
youdao
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The researchers found that sadness is not transmitted to the same degree that happiness is.
研究人员发现，悲伤的扩散程度不像快乐那么明显。
youdao
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The researchers found that sadness is not transmitted to the same degree that happiness is.
研究人员发现，悲伤的扩散程度不像快乐那么明显。
youdao