Why did Yum recruit reserve managers for a long time?

In order to ensure that enterprises have enough management talents in the future development. Yum recruits reserve managers. On the one hand, through training and practice, these reserve managers can be provided with the necessary management knowledge and skills to be competent for future management positions. On the other hand, through the rotation training of reserve managers, more choices are provided for the management of enterprises to ensure that the management of enterprises has sufficient talent reserves.