A machine cannot and is unable to help the human reader-an important opportunity foregone.

但机器则不能且无法帮助人类读者—逝去的一个重要机遇。

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The opportunity cost is the value of the best foregone alternative.

机会成本就是为了得到一种价值而放弃的其他可以得到的最大价值。

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Opportunity cost — the net benefit foregone because the resource providing the service can no longer be used in its next most beneficial use.

机会成本——过去的净收益，因为资源所提供的服务不能再次用于它下一次很有效的使用。

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International business schools tend to be much less expensive and most require approximately 1 year of study rather than the traditional 2 years required by US MBA programs, decreasing foregone income and thus opportunity cost significantly.

FORBES: The Rise of the International MBA