make to ones measure
量体裁衣
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Also it might measure what is the cutoff in the number of ratings the system needs to be able to make reasonable recommendations and not almost random ones.
它也可以度量系统做出合理推荐(不再是随机推荐)所需的评分个数的下限。
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