An unemployed autoworker in Detroit may be fully capable of retraining to become a hospital technician. Yet, after years of taking pride in his work, he could be very reluctant to make the switch.
技术变迁并不一定是向上的，转型可能是痛苦的。底特律的失业汽车工人也许完全可以胜任医院技术人员的工作。但是，在多年以汽车为傲后，他可能不愿意做出这样的转型。