ball与dance这两个名词均有“舞会”之意。
ball : 多指社交性的舞会，场面较为隆重和正式。
- Did you go to the Summer Ball last year?
去年你参加夏日舞会了吗？
dance : 指一般性的非正式舞会。
- They're having an end-of-term dinner-dance.
他们要举办一场期末餐舞会。 - We hold a dance every year to raise money for charity.
我们每年举行一场舞会，为慈善事业募捐。 - The band played a slow dance.
乐队演奏了一支舒缓的舞曲。
