Companies start selling a product that transforms daily life. Scientists warn it is dangerous. Dozens of countries try to reach a deal to rein in its use but others fight back and slow action.
設想一下:有些公司在銷售一種已深度融入日常生活的產品。科學家警告它存在危險。數十個國家試圖達成協議限制其使用,但也有國家堅決反對、拖慢進展。
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