到那时现金将是多余的，因为购物者每件放入购物车的商品都将被自动探测到，并直接从顾客的信用卡中扣费。
Tills will then become redundant, because everything shoppers put in their trolleys will be automatically detected and charged to their credit CARDS.
商店内干预措施包括在商店入口处的迎宾人员鼓励（顾客）使用适当的购物车约束系统，并附赠一张现金奖励券。
The in-store intervention consisted of greeters at the store entrance who encouraged the use of appropriate shopping cart restraints, plus a cash incentive coupon.
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