For example, if you were trying to talk about a festival that … Annualannual is more formal and is used more often|they mean the same my birthday is annual my birthday is yearly however, … Annual, annually, yearlyin my experience in law and dealing with accountants, used interchangeably. Annual的同義字annual is more formal and is used more often|they mean the same my birthday is annual my birthday is yearly however, … Latin always has a more … Ive been wondering about this for a good chunk of my day. Annually they mean the same thing, but theyre used differently with nouns. Why is there a slash in a/l (annual leave, used quite frequently …