What's too much for one, just rignt for two, but nothing at all for three?

对一个人来说太多，两个人就正好，三个人就什么也不是了。这是什么呢？

youdao

Function: Left Arm hold down The Rignt Arm, Make That swing Action is stabile.

使用功能：左臂牵制右臂，使双臂挥杆动作稳定。

youdao

Function: Left Arm hold down The Rignt Arm, Make That swing Action is stabile.

使用功能：左臂牵制右臂，使双臂挥杆动作稳定。

youdao