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.
在过去半个世纪里，人类取得了非凡进步。这一点毋庸置疑。这不仅包含收入显著增长，还包含人类寿命增加和生活质量提升。我们清楚这实实在在地发生了。我们也知道这其中的原因。但成就总会带来新的挑战。这些成就也不例外。
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