catastrophe n. 大灾难，大祸
例The food was cold, and the guests quarreled-the whole dinner was a catastrophe.
catering n. 餐饮服务
短语the catering business/industry 餐饮业
restaurant catering 旅馆膳食供应
例Catering at major sports events is becoming increasingly profitable.
caterer n. 饮食供应商（为大型活动提供服务）
例The caterers arrived early to set up their tables before the guests appeared.
CEO n. Chief Executive Officer （美）总经理
certificate n. 证书，证明书
短语certificate of insurance 保险凭证
certificate of origin 原产地证书
例She received a certificate to show that she had attended the training course.