Under the new law, cigarette advertising will only be allowed at the point of sale.根据这条新的法律，香烟广告只允许出现在销售点。Demand-chain management captures information on consumer behaviour at the point of sale and feeds it up the supply chain.需求环节的管理层会捕捉销售点顾客购物行为的信息，然后把信息再反馈给供应环节。