商店里进行购物结算时会使用收银机系统，这台收银机会在结算时根据客户的购物车中的商品和商店正在进行的优惠活动进行结算和打印购物小票。 (The cashier s system will be used in the store s settlement, which will be settled at the time of settlement according to the ongoing promotions of the merchandise and the store in t