Nonuniqueness of utility representing a preference relation，no significance of utility and marginal utility.
ordinal utility
效用论
一个偏好
效用
非唯一性。
Nonuniqueness of utility representing a preference relation，no significance of utility and marginal utility.
ordinal utility效用论一个偏好效用非唯一性。
ordinal utility
效用论
一个偏好
效用
非唯一性。
Nonuniqueness of utility representing a preference relation，no significance of utility and marginal utility.
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