男人，女人，孩子，没有血色的面孔和褴褴褛褛的服装，有的看管着机器，有的在大道上行乞。
Men, women, children, wan in their looks and ragged in attire, tended the engines, or begged upon the road.
在随机服务系统理论中，有一个著名的机器看管问题。
In the theory of stochastic service system, there is a famous problem of machine maintenance.
从所有权的控制下解放出来的信息，也将工人从机器看管人的强制性角色中解放出来。
The liberation of information from the control of ownership liberates the worker from his imposed role as custodian of the machine.
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