首先，业精于勤，无论是发球，还是接发——任何一分，都来之不易，哪怕你的位置极具进攻性。

First, it makes players work hard, both on their serve and return games-points aren't that easy to finish, even from an attacking position.

youdao

首先，业精于勤，无论是发球，还是接发——任何一分，都来之不易，哪怕你的位置极具进攻性。

First, it makes players work hard, both on their serve and return games-points aren't that easy to finish, even from an attacking position.

youdao