This will involve looking at technology and consumer tests and evaluating the gap between consumer willingness to pay and supplier opportunity cost.
这牵涉到注重科技和顾客测试，以及评估顾客付费意愿和供应者机会成本间的差距。
Explain how buyers' willingness to pay, consumer surplus, and the demand curve are related.
解释买者的支付意愿，消费者剩余和需求曲线之间如何关联。
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