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英语翻译1The value or cost of a good or service that is given up

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英语翻译
1The value or cost of a good or service that is given up by choosing one alternative over another is called:```
2To say that people make decisions at the margin means that they:
 a.wait until the last minute before making a decision.
 b.weigh the costs and benefits of small changes.
3According to the Phillips curve:there is a short-run tradeoff between inflation and unemployment
英语翻译1The value or cost of a good or service that is given up
1通过选择,被放弃的产品或服务的价值或成本叫做:
2人们在边缘作出决定意味着:
a 直到最后再做出决定
b 衡量小变化的成本或效益
3 根据菲利普斯曲线:通货膨胀与失业间有一个短期的平衡