1. Work that primarily involves cognitive processes, thinking, problem-solving, and intellectual effort rather than physical exertion
Programming requires significant mental labor and concentration.
A programação requer considerável trabalho mental e concentração.
2. Employment or tasks that demand intellectual skills such as analysis, planning, writing, or decision-making
Mental labor has become increasingly valuable in the modern economy.
O trabalho mental tornou-se cada vez mais valioso na economia moderna.