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#401752
講者：Speaker:
They are properly PFE-certified masks, and so they do protect you, to a degree, but they mostly protect others.
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可引用的發言段落Citable transcript turn
講者：Speaker:
They are properly PFE-certified masks, and so they do protect you, to a degree, but they mostly protect others.
j 下一段next turnk 上一段previous turn