以下是布坎南在《俱乐部理论》中的一段话，我不知道其中几个术语应该怎样理解，我用黑体字标出来了。希望有朋友能帮解释下。

It should be noted that income-price constraints have already been incorporated in the preference map through the specific sharing assumptions that are made. The tastes of the individual depicted in Fig.3 reflect the post-payment or net relative evaluations of the two components of consumption at all levels. (Page 10, Para 2)

附上《俱乐部理论》的原文：