纸本阅读
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Books - Printed Reading Material 书
printed material reading
印刷品阅读
以上为机器翻译结果，长、整句建议使用 人工翻译 。
By the age of 40 or 50 most people are finding it difficult to focus on printed material in front of them, leaving them requiring reading glasses.
BBC: Eyesight: The effect of age
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