Unverified85% confidenceTradeoffTime unknown
1kg装咖啡豆单价便宜但需搭配家用磨豆机现磨，无磨豆机则风味在开封3-4周内快速流失，比买250g小包装更浪费
1
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85%
Confidence
Long-term
Relevance
-
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Unverified容量选购经验：500g散装咖啡豆约需1.2-1.5L罐，1kg面粉约需1.5L罐，罐子应留20%以上空隙便于取用和摇匀，不宜买到刚好容量79% similarUnverified容量选择建议：500g咖啡豆约需1.2-1.5L罐，1kg面粉约需1.8-2L罐，食材实际占用体积会因蓬松度大于净重换算，购买时罐容量应比食材净重预留20-30%余量76% similarUnverified容量选购按食材密度换算：500g咖啡豆约需1.2-1.5L罐（豆子蓬松），500g面粉/砂糖约需0.8L，实际购买建议比食材净重预留30%空间便于取用75% similarUnverified咖啡豆包装规格建议按每周用量买：手冲每杯约15-20g，一袋200g约够1人喝2周；不要囤大袋(500g+)除非每天多杯，否则后半袋已过赏味期72% similarUnverified小家庭或一人食选200-400g小包装或分装冷冻毛豆，避免反复解冻；每周消耗量大或做鹰嘴豆泥（hummus）可选400g罐装或500g以上干豆更划算71% similar
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