2. There is no time period for quality training. Each employee's foundation is different, and their ability to accept and understand is also very different. This is a long-term training process (there is a difference between training and training), which cannot be solved by a simple training course. More need to lead by example in daily life, through specific behaviors and cases for effective guidance.
As for how long it will take, it is the same sentence: it takes ten years to plant trees, but it takes a hundred years to cultivate people.