Definition
Used to describe something that one does not particularly like or need; it expresses indifference or a lack of strong preference.
可有可无，无所谓
I can take it or leave it with the sushi at this restaurant; I don't particularly crave it.
我可以接受这家餐厅的寿司，也可以不要；我并不是特别想吃。
I can take it or leave it when it comes to horror movies; I prefer comedies.
对于恐怖片，我可以看也可以不看；我比较喜欢喜剧。
He can take it or leave it with fashion trends; he always dresses casually.
他对时尚潮流可有可无；他总是穿得很随意。