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There are many commonly held beliefs about eye glasses and eyesight that are not proven facts.
出自-2011年6月聽力原文
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We have all heard some of the common myths about how eyesight gets bad
出自-2011年6月聽力原文
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However, although eyestrain may cause some pain or headaches, it does not permanently damage eyesight.
出自-2011年6月聽力原文
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What does the speaker want to tell us about eyesight
出自-2011年6月聽力原文
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It is the best way to restore damaged eyesight.
出自-2011年6月聽力原文