Focus on the pronunciation of Pareto optimal
English definition of “Pareto optimal”
adjective ECONOMICS, WORKPLACE, PRODUCTION
› using or dividing resources (= time, money, employees, etc.) in a way that results in a situation where nobody is doing worse than before, and at least one person is doing better: If the operation is not yet Pareto optimal, this is because people who are powerful in the inefficient system are reluctant to change.