carroll 发表于 2014-4-9 14:38 ) T. w' D- Z7 H0 S: q0 o3 w- b2 QGive an age range please. if parents with a 5 year old and parents with a 15 year old show up, what ...
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如果skill level差很多我会把他们分开教的。open gym也是为了让我也能了解什么agegroup的孩子有兴趣