对利息所得税降低了当期消费的机会成本，从而刺激人民减少储蓄。
Taxing interest the opportunity cost of present consumption and thereby creates incentives to lower saving.
有鉴于此，文章在分析教育机会成本概念的基础之上，着重论述了研究教育机会成本对国家、社会及个人的现实意义，并提出了有效降低教育机会成本的策略。
This essay will explore the significance of opportunity cost for the whole country , whole society as well as individuals , and then offer some strategies to lower opportunity cost.
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