four-ball match的用法和樣例：
例句
- For those who grew up in a PE era when even the most spontaneous match of tetherball was scrupulously tallied, scoreless play seems downright radical.
對那些在一個連最自發的繩球比賽都要精確記分的體育時代里長大的人來說，不記分的比賽顯得完全是激進的。 - However, while the regular polo ball is used, mallets are two meters long because the players are higher off the ground.
象球比賽的用球和馬球相似，但由於大象比馬要高得多，所以象球球杆比馬球的要長，可達兩米。
