The first function returns the border style for each cell, while the second function returns the results (if any) for a given matchup.
第一个函数返回每个单元格的边界样式，而第二个函数返回一场比赛结果(如果存在的话)。
2
The horizontal lines joining two cells indicate that those two competitors faced each other; the cell with the solid border in the following column indicates the winner of the matchup.
连接两个单元格的水平线表示这两个竞争者将会彼此遭遇；下面的列中使用实线边界的单元格指比赛的获胜者。
3
You could also pass 1 to draw a complete border around the cell, or a string to indicate specific borders' sides.