我手边有两份材料。一份说1922年全美企业员工人均享有31．5小时的学习课程。总学时增加31．26亿小时，相当于25名大学全日制生的学习时间，约等于13所哈佛大学的容量，学习效益日趋明显。摩托罗拉每使用1美元学习投资，可连续3年每年提高30美元生产力。一些假日旅馆员工通过学 I have two materials at hand. One said that in 1922, there were 31.5 hours of study courses for all employees in the United States. The total number of hours increased by 3.126 billion hours, equivalent to 25 full-time university study time, equivalent to about 13 Harvard University capacity, learning benefits have become increasingly apparent. For every $ 1 you spend on learning investments, Motorola can increase productivity by $ 30 a year for three years in a row. Some holiday hotel employees pass the school