Avoid the pitfall of making bending the knees this rigid axiom that has to be followed before you can play tennis well.
Avoid the pitfall of making bending the knees this rigid axiom that has to be followed before you can play tennis well.
避开这个迫使自己屈膝的缺陷吧，否则这条严苛的“公理”会在你能自如打好网球前紧紧地跟随着你！