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[主观题]
基于自己的偏好,比尔愿意用四张电影票来换取一张篮球赛的票。假如电影每张8美元,而篮球赛门票
每张40美元,比尔愿意交换吗?说明原因。
Based on his preferences, Bill i8 willing to trade lour movie tickets tor one ticket to a basketball game. If movie tickets cost $8 each and a ticket to the basketball game costs$ 40, should Bill make the trade? Why or why not?
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