Usages of la duda
Ensayar sin duda reduce la ansiedad, pero siempre queda la duda de cómo saldrá todo.
Rehearsing definitely reduces anxiety, but there always remains doubt about how everything will turn out.
La duda es importante para aprender.
Doubt is important for learning.
El profesor resuelve la duda de los estudiantes.
The teacher solves the students' doubt.
La entrevistadora aclaró la última duda con un ejemplo.
The interviewer clarified the last question with an example.
Elon.io is an online learning platform
We have an entire course teaching Spanish  grammar and vocabulary.
