如您临时取消当天预约的课程，请提前半天通知我们。

If you cann't come to the class you reserved, please call.

为了确保您练习的位置，全部课程采用提前预约制，请提前半天预约。

In order to ensure a space in the class, reservation of all lessons is required. Please book lessons at least half a day before.