To answer the question "What is Customer No. 5 most likely to buy?" based on the Nearest Neighbor algorithm we ran through above, the answer would be a book.
如果使用最近邻算法回答我们上面遇到的“第5个顾客最有可能购买什么产品”这一问题，答案将是一本书。
This paper tries to establish an econometric model based on aid theory of development economics and to answer the above question using national data from 1980.
本文以发展经济学的援助评价理论为基础建立了计量模型，利用1980年以来的数据，对上述问题作了一个尝试性的评价。
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