CBA (cost-benefit analysis)成本效益分析

certificate of origin (n) a document that shows where goods were made 原产地证书

[例]　The Customs required us to show a certificate of origin for clearing the goods.

certified cheque (n) a cheque marked by the bank it is drawn on as “good for payment” 保兑支票

[例]　We only accept certified cheque.

[同义词]　marked cheque

chain  (n.) number of shops belonging to one company连锁店

[例]  The well famous retail company has built up at least 200 chain stores in China.

chair (v.) to preside over as chairperson 主持

[例]  I chaired  the executive committee.

[同义词]  preside