tutorial training 区别?

tutorial training 区别? training with、training for、training toi的区别是什么? training与train 的区别 training officer和training specialist有什么区别? train 和training有什么区别吗? train和training有什么区别 exercise ,training 和practice有什么 区别? he need training 和 he needs training有什么区别么? 帮我解释一下training for和training to的意思,还有该怎么区别? Speed Training training是什么意思 英语翻译“in-service training”和“on-the-job traing”有啥区别?