The jaw-dropping rent of 30-60 yuan per square meter per day means few of Beijing's traditional brand stores can afford to open shop.
让人瞠目结舌的每平米日租30-60元的租金意味着没有几家老北京的品牌店能在前门开得起店。
Scheduling; Open shop; Mixed integer programming.
排程；开放型工厂；混整数规划。
Open shop also want the good faith management, don't make a fraud.
开网店的也要诚信经营，不搞欺诈。
Open shop also want the good faith management, don't make a fraud.
开网店的也要诚信经营，不搞欺诈。
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