1. Uncommon or infrequently used methods, strategies, or ways of dealing with something
The company implemented rare approaches to customer service that set them apart from competitors.
A empresa implementou abordagens raras ao atendimento ao cliente que as diferenciava dos concorrentes.
2. Unusual or innovative techniques not commonly employed in a particular field
The researcher employed rare approaches in her methodology to achieve unprecedented results.
A pesquisadora empregou abordagens raras em sua metodologia para obter resultados sem precedentes.