training officer和training specialist有什么区别?
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?
雅思中的GENERAL TRAINING和ACDEMIC TRAINING 有什么不同?
academic training和general training什么意思
training with、training for、training toi的区别是什么?
tutorial training 区别?
spear training什么意思
帮我解释一下training for和training to的意思,还有该怎么区别?
英语翻译“in-service training”和“on-the-job traing”有啥区别?