自我學(xué)習(xí)Self-study 1b--劍橋商務(wù)英語(yǔ)高級(jí)詞匯

Self-study 1b

standardise: v. to make objects or activities of the same type have the same features or qualities; to make sth standard;

variety:n. several different sorts of the same thing;varied:adj. of many different types;