你只会购买必需品，而不购买奢侈品。
例如，购买高效制冷系统而不购买最低标准容器的消费者，可以得到补偿用以弥补价格上的差异。
Customers who buy highly efficient cooling systems rather than the minimum-standard kind can, for example, get a rebate to make up the difference in price.
研究表明并非所有人都是因为缺钱而不购买健康保险，超过四分之一的人能够买得起保险，但却选择不买。
Studies have shown that not all these people are indigent: a quarter or more can afford insurance, but choose not to buy it.
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