Preparation Words and sentences 3. Para. 19. L1 As he saw it, companies were increasingly dependent on the knowledge worker, a term he created to describe the new work force Whose contributions came from mental rather than manual dexterity dexterity:n skill and speed in doing sth with one's hands灵巧,熟练Preparation Words and Sentences 3. Para. 19, L1 • As he saw it, companies were increasingly dependent on the “knowledge worker,” a term he created to describe the new work force whose contributions came from mental rather than manual dexterity. • dexterity: n. skill and speed in doing sth. with one’s hands 灵巧，熟练