1. The most important or essential conclusion reached after analysis, research, or discussion
The key conclusion of the study was that exercise improves mental health.
A conclusão principal do estudo foi que o exercício melhora a saúde mental.
2. A critical finding or result that forms the basis of further understanding or action
One key conclusion from the meeting was that we need to restructure our approach.
Uma conclusão principal da reunião foi que precisamos reestruturar nossa abordagem.