The current growth of the service sector in global economies is unparalleled in human history -- by scale and speed of labor migration.目前,全球经济中由于劳动力流动的规模和速度增长的服务业,在人类历史上是前所未有的。Even large manufacturing firms are seeing dramatic shifts in percent revenue derived from services.即使是大型制造企业,服务项目的百分比也发生着戏剧性的转变。The need for servi...