sweetener (food additive)

enter

sweetness

sweetness

fee / materials

fee, cost / material of something

coffee

to go in; to come in / 要る: to be necessary, to be required

to enter, go into, get into a place or a thing / to join a group or organization / to be contained (in), to be included (in) / to be a member of a group, set, category

black coffee (coffee served without cream or milk)