The site manager must have a system to ensure that contractors are appropriately trained and re-trained.
现场经理必须拥有一套系统，以确保承包商接受过适当的培训与再培训。
2
They say that to prevent abuses, the police are now being trained and re-equipped.
他们说为了遭受诟骂，警察现在已经在接受训练和重新装备。
3
The videos make valuable use of re-enactment scenarios, and as each step of the hoax is revealed, viewers are trained to pick up the necessary skills for detecting these scams in the future.