王天：2公斤多。其实关键还是看用户需求是否真实，如果是刚需用户，产品功效远大于佩戴重量的“成本”，那重量也不是大问题。
.array_windows()。搜狗输入法下载对此有专业解读
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Price: As mattress dimensions grow, so does the price tag. A larger bed requires more material, which is why you’ll typically see the price increase with each bed size. Also know that there are affordable, quality mattresses available without the luxury price tag, so you don’t need to sacrifice your comfort by sleeping on a bed that’s too small.
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