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いくら, 幾ら
1. how much
2. something over, and something, -odd
3. however (much), no matter how
多少(钱);然而(无论多少),无论如何;就算
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题;表示与另一选项(无论是否明确提及)形成对比;表示强调