在这种情况下，即使存在边际效用递增，人们也并不必然是专门消费某商品。
In this case, even with increasing marginal utility, we do not necessarily get specialization in consumption.
消费者基于消费效用最大化的目标实施消费行为，面对商场繁杂的促销形式会依据机会成本、边际效用递减规律等原理选择与黄牛党进行交易。
Confronted with the complicated forms of sales promotions conducted by sellers, consumers will trade with scalpers under the rules of opportunity cost, diminishing marginal utility and other theo.
若没有预算约束，个人将不断增加X,Y,Z……的消费，直到它们的边际效用为零。
Without a budget constraint, the individual would continues to increase his consumption of X, Y, z,...... until their marginal utilities became zero.
经济学中有个概念叫“边际效应”，是指消费者在逐次增加1个单位消费品的时候，带来的单位效用是逐渐递减的。
There is a concept to cry in economics "limit effect", be when showing consumer increases an unit consumable in successive, brought unit effectiveness decreases successively gradually.
经济学中有个概念叫“边际效应”，是指消费者在逐次增加1个单位消费品的时候，带来的单位效用是逐渐递减的。
There is a concept to cry in economics "limit effect", be when showing consumer increases an unit consumable in successive, brought unit effectiveness decreases successively gradually.
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