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Quora有一个解释挺有意思：
高尔夫球带坑是因为大家想让这个球飞的非常远。
但对于篮球，大家并不想让篮球飞上千米...重要的是手感。因此篮球的皮子很重要。对于足球也一样，脚感很重要。
网球大家有特殊的手法，比如上旋球之类，一般都选用比较毛毛的材质，无所谓带坑不带坑了。
https://www.quora.com/Why-dont-sports-balls-footballs-baseballs-tennis-balls-etc-have-dimples-like-golf-balls-so-they-can-fly-through-the-air-easier
乒乓球带坑可能就变更更更贵了
