Unverified78% confidenceTradeoffTime unknown
层数与承重是权衡：层数越多单位面积利用率越高但整体重心越高越不稳，也越难擦拭；一般家庭2-3层已够用，多层更适合超小面积需向上要空间的卫生间
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78%
Confidence
Long-term
Relevance
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