如果不犯失误，塞尔提克队平均每次持球进攻可以得到1.21分，所以每一次失误平均就要让该队失去一次这样的得分机会。

The Celtics average about 1.21 points per possession when they don't commit a turnover; so each turnover, on average, costs the team one of these opportunities.

youdao

对于这次的失误，我感到非常抱歉，我们会深刻反省这件事情，并且从中吸取教训，今后会认真仔细对待客人的每一次询价； 交货时间；

For the mistake, I feel very sorry that we can deep reflection this matter, and draw lessons, will treat guests carefully every inquiry, Time of delivery;

youdao