替代品

substitute / alternative

to substitute for / to take the place of / to replace / for / on behalf of / to stand in for

to substitute for / to replace / to supersede

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon

(bound form) article; commodity; product; goods / (bound form) grade; rank / kind; type; variety / character; disposition; nature; temperament / to taste sth; to sample / to criticize; to comment; to judge; to size up / fret (on a guitar or lute)