To create a ranking, the important question is whether there is a linear function that reduces this four-dimensional dataset to a one-dimensional set.
对于编制排名而言，最重要的问题是，是否存在一个线性函数，能够对这个四维的数据集进行降维，得到一个一维的数据集（生活质量指数）。
The EIU first began ranking cities to test whether or not companies should pay staff a hardship allowance if they make employees relocate to a different country.
经济学人智库起初对城市进行排名是为了测试企业是否应给派往外国的员工支付相应的辛劳津贴。
And run the marathon athletes, regardless of whether ranking, are awesome!
又如跑完马拉松赛的运动员，不管能否取得名次，都是令人敬佩的！
Firstly, to decide whether college rankings give a college a fair shake, it is crucial to look at themethodology of the ranking system.
首先，大学排名是否公平，如何做出的大学排名是非常重要的。
Firstly, to decide whether college rankings give a college a fair shake, it is crucial to look at themethodology of the ranking system.
首先，大学排名是否公平，如何做出的大学排名是非常重要的。
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