警方破获了一个跨国人口贩卖团伙。

The police busted an international human ___trafficking ring.

警方正在调查这个团伙涉嫌贩卖毒品。

The police are investigating the gang for ___trafficking drugs.

这个系统负责在工厂内部运输原材料。

This system is responsible for ___transporting raw materials within the factory.