But it is the marginal buyer that matters, so China is important.
但边际购买者很要紧，所以中国很重要。
A marginal buyer is one who would leave the market first if the price were any higher.
边际买者是如果价格再高一点就首先离开的买者。
At any quantity, the price given by the buyer's WTP curve shows the willingness to pay of the marginal buyer.
在任何一种数量下，买者支付意愿曲线的高度表示边际买者的支付意愿。
At any quantity, the price given by the buyer's WTP curve shows the willingness to pay of the marginal buyer.
在任何一种数量下，买者支付意愿曲线的高度表示边际买者的支付意愿。
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