蚂蚁群体展现出惊人的自我组织能力，能在没有指挥的情况下高效工作。

Ant colonies demonstrate amazing ___self-organising abilities to work efficiently without any central command.

交通系统在没有中央控制的情况下也能形成自组织模式。

Traffic systems can form ___self-organising patterns without central control.