Unverified81% confidenceTradeoffTime unknown
性价比应按'每日成本'而非单价计算:营养膏用量极少(通常每日几厘米),大管装虽单价低但开封后6-8周内需用完,多宠或长期使用者才划算,单宠短期补充选小管更实际
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81%
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Long-term
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