（下）据估计，现代人类大约有20万年的历史，但似乎99%的技术进步都发生在过去的1万年里。在那之前我们在做什么?
正文翻译
Modern humans are estimated to be about 200,000 years old, but it seems that 99% of technological progress has occurred in the last 10,000 years. What were we doing before that?
据估计，现代人类大约有20万年的历史，但似乎99%的技术进步都发生在过去的1万年里。在那之前我们在做什么?
Modern humans are estimated to be about 200,000 years old, but it seems that 99% of technological progress has occurred in the last 10,000 years. What were we doing before that?
据估计，现代人类大约有20万年的历史，但似乎99%的技术进步都发生在过去的1万年里。在那之前我们在做什么?
评论翻译
Modern humans are estimated to be about 200,000 years old, but it seems that 99% of technological progress has occurred in the last 10,000 years. What were we doing before that?
据估计，现代人类大约有20万年的历史，但似乎99%的技术进步都发生在过去的1万年里。在那之前我们在做什么?
Modern humans are estimated to be about 200,000 years old, but it seems that 99% of technological progress has occurred in the last 10,000 years. What were we doing before that?
据估计，现代人类大约有20万年的历史，但似乎99%的技术进步都发生在过去的1万年里。在那之前我们在做什么?
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