It's not clear.
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甜品、烧鸡、达美乐的披萨这些更讲究时效的产品，则要预订，五人成团起订，到店后再按客户订购量进行分装。王哥说，他们一周出去采买两三次，除了拿顾客预订的单子，也顺带给店里补货。终端售价会比原价贵1—15元。
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A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.
· 刘洋 · 来源：chart资讯