You are always trying to understand it in context, even if, as far as you are concerned, at that point in time, it has not necessarily anything to do with you, you still want to know why those people are laughing.
Siempre tratamos de entenderla en contexto, incluso si, en lo que a uno respecta, en ese momento, no tiene necesariamente nada que ver con uno, siempre querremos saber por qué la gente se