这个映射的目的是，把同一球队的球员放在输出数据中的同一部分中。

The purpose of the map is to regroup the players who play for the same team inside a single section in the output data.

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您可以轻松扩展此处的简单示例，如添加球员编辑功能，对 grid 排序，甚至可以加入更多的数据，如比赛和结果。

You could easily expand this simple example from here to add the editing of players, the sorting of the grid, or you can even add more data like games and results.

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通过数据分析，Amaral和他的团队能够客观地评价2008年欧洲杯联赛上的所有球员的表现。

Though their analysis, Amaral and his team were able to objectively rank the performances of all the players in the 2008 European Cup tournament.

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