This is why you will sometimes see aircraft parked  at a gate with a jet bridge, but not using it.

这就是为什么您有时会看到飞机停在带有喷气桥的登机口，但没有使用它。

10 people have been killed and 13 injured at a military base in Spain when a Greek fighter jet crashed into other aircraft parked on the ground.

在西班牙一个军事基地，一架希腊战机与地面上停靠的其他飞机相撞，导致10人丧生，13人受伤。