转换它的最佳方法是什么？
[[["Club three Team one", 7800], ["Club three Team two", 7801]], [], [["Club four Team one", 7807], ["Club four Team two", 7808]], []]
成
[["Club three Team one", 7800], ["Club three Team two", 7801], ["Club four Team one", 7807], ["Club four Team two", 7808]]
在红宝石？flatten将这一直转换为
["Club three Team one", 7303, "Club three Team two", 7304, "Club four Team one", 7310, "Club four Team two", 7311]