这么多年来，美国消费者对液体燃料的需求似乎是没有价格弹性的——不管这个燃料是用来驱动汽车，还是用来在早上刺激大脑。
For years it seemed that American consumers' demand for liquid fuel was price inelastic-whether it was to drive their cars or get their brains going in the morning.
这是根据定价弹性研究和消费者的需求决定的。
This is based upon pricing elasticity studies and consumer demand.
随着大众对住所安全需求的普及化，玩具厂商可以将计算机工业的技术力量和弹性大批量生产，从而将市场价格降低至大众消费价格。
Home security is blossoming for toy makers who can match the technical power and flexibility of the computer industry with the mass-market prices that come from large production runs.
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