So he showed that 10 specialized workers who had been invested in, in their human capital, could produce 4,800 pins a day, as opposed to just one by an unspecialized worker.

于是他展示了经由人力资本投资的10 个专业化分工的工人，每天能生产 4，800 个大头针，相比 1 个非专业分工的工人每天只生产 1 个大头针。