“咚咚。”敲门的声音小得几乎无法听到。“进来。”贝蒂没有抬头,继续翻着手中的资料。从教练到校长,她已经在这个网球学校工作了20多年,几乎每天都会有孩子来办公室,只有那些刚刚打完架的孩子,敲门的声音才会这么小。门徐徐推开。“请问您是贝蒂校长吗?”贝蒂有点惊讶,抬头看去,一个中年妇女站在门前,她背后躲着一个八九岁的 “Pound. ” The sound of knocking on the door is so small that it can hardly be heard. “Come in. ” Betty did not look up, continue turning the information in hand. From coaching to school principals, she has been at this tennis school for over 20 years and has children coming to her office almost daily, only those who have just finished playing knocking at the door will be so small. The door slowly opened. “Will you be Betty Principal?” Betty a bit surprised, looked up, a middle-aged woman standing in front of her, hiding behind an eight-year-old