然 福祉
Natural welfare
以上为机器翻译结果，长、整句建议使用 人工翻译 。
斯通的研究小组发现，全球福祉的跌幅从20岁到50岁，然
Stone's team found that global well-being declines from the 20s to age 50, then increases steadily. Happiness and enjoyment also increase after age 50.
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