@abstractmethod
這些數字徹底打破了「老年人不上網」的刻板印象。從「只會打電話發微信」到「短視頻原住民」，中國老年人完成了一次數字化的躍遷，但代價正在顯現。
，更多细节参见heLLoword翻译官方下载
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We have picked out six that have never been on display. You can see where they were found on the HS2 route map below - then scroll further down to see the objects and read about their history.