both A and B, A as well as B, neither A nor B (in a negative sentence)
Noun
The particle
Affirmative Use
Used to list multiple nouns that are included in an affirmative statement.
犬
I like both dogs and cats.
パン
I ate both bread and fruit.
Negative Use
Used with a negative verb to indicate that none of the listed items apply.
お茶
I drink neither tea nor coffee.
先生
Neither the teacher nor the student was there.
When