It's risky to overbook appointments in a busy clinic.

在繁忙的诊所超额预订预约是有风险的。

The airline tends to overbook flights during the holiday season.

航空公司在假日期间倾向于超额预订航班。

As a result of this conundrum, airlines employ fancy statisticians to figure out how many seats the airline needs to overbook just to make up for the no-shows.

为解决这一难题，航空公司高价雇佣统计专家，通过计算出需要超额预订的航班数量，来弥补没有到席的空位。