1. A formal suggestion or plan submitted by two or more parties, organizations, or individuals together
The two companies submitted a joint proposal to develop a new technology.
As duas empresas apresentaram uma proposta conjunta para desenvolver uma nova tecnologia.
2. A collaborative initiative or recommendation made collectively by multiple stakeholders
The joint proposal from the government and environmental groups aims to reduce carbon emissions.
A proposta conjunta do governo e dos grupos ambientais visa reduzir as emissões de carbono.