Some say their "bargain mentality" encourages rational spending, but others also warn against rash and unnecessary consumption - buying for the sake of coupons.
有人说他们的这种“占便宜心理”促进了理性消费，不过，也有人提醒要小心为了优惠券而购物这样的冲动购物行为和不必要的消费。
The striking contrast between the apparent carefree spending of an iPhone user and the frugal, bargain-hunting mentality of a Wal-Mart customer is jarring.
那些无忧无虑的iphone用户与斤斤计较的沃尔玛顾客形成了鲜明的，令人震撼的对比。
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