So I had to compromise with operational research work, which had the intellectual challenge that interested me and the commercial value that was valued by the clients: things like scheduling freight trains, time-tabling buses, stock control, lots and lots of stock control.
Así que tuve que aceptar trabajos de investigación operativa, que tenía el desafío intelectual que me interesaba y el valor comercial valorado por los clientes: cosas como programación de trenes de carga, cronograma de autobuses, control de