Usages of aunque
El fútbol es mi deporte favorito, aunque a veces es difícil.
Football is my favorite sport, even though sometimes it is difficult.
El día es bonito, aunque tengo mucho trabajo.
The day is beautiful, even though I have a lot of work.
Viajar en tren es más barato que volar, aunque la distancia sea larga.
Travelling by train is cheaper than flying, even though the distance is long.
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