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売り場， 売場， うりば
1. selling area, counter, section, department, sales floor
2. favorable time to sell, good time to sell
销售区域、销售柜台、卖场；有利出售时机，良好出售时机
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
