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健康餐盒升級創新轉型! 便當店利潤損益分析與營運成本估算 -詹翔霖副教授 https://images.plurk.com/5oj6ydTgbhr2BMkrZ4IdH0.jpg https://images.plurk.com/4j6x7AMlbiGsoc93R4kc1l.jpg https://images.plurk.com/EXp9iKjTOrdHtQhlOjOi0.jpg https://images.plurk.com/5qAGNEa2MyQyXuaB8fdYMb.jpg
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