In the past half century, humanity has made extraordinary progress. This is unquestionable. This consists of more than higher incomes. It consists also of longer and better lives. We know this has happened. We also know why. But achievements bring new challenges. These are no exception.
在過去半個世紀里，人類取得了非凡進步。這一點毋庸置疑。這不僅包含收入顯著增長，還包含人類壽命增加和生活質量提升。我們清楚這實實在在地發生了。我們也知道這其中的原因。但成就總會帶來新的挑戰。這些成就也不例外。
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