I.
noun
VERB + BUFFER
▪ act as
▪ provide
▪ use sth as
BUFFER + NOUN
▪ state , zone
PREPOSITION
▪ ~ against
▪
A family can provide a ~ against stress at work.
▪ ~ between
▪
The organization acts as a ~ between the management and the union.
II.
verb
Buffer is used with these nouns as the object: ↑ effect