Teacher:You are given a sentence in Italian. Your job is to translate the Italian sentence into Spanish.
Teacher: Now, understand the problem? Solve this instance: Cosa intendiamo quando parliamo di una linea retta su una superficie curva?
Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
¿Qué queremos decir cuando hablamos de línea recta en una superficie curva?