I prefer watching a movie over a period of two or three days rather than watching it all at once.
I like taking two or three days to watch a movie.
ーI prefer watching a movie over a period of two or three days rather than watching it all at once.
「一度に全部観るより、２〜3日かけて映画を1本観るのが好きです」
to watch a movie over a period of two or three days rather than watching it all at once で「一度で映画を観終えないで2〜3日かけて映画を一本観る」
ーI like taking two or three days to watch a movie.
「映画1本を観るのに、2〜3日かけるのが好きです」
to take two or three days to watch a movie「映画1本を観るのに、2〜3日かける」
ご参考まで！
カナダ 
