copy (n.) text specially written for an advertisement or a brochure（广告）解说词
[例] The copy for the brochure needs some revision in wording.
copyright (n.) an exclusive legal right, for a certain number of years , to print, publish, record, perform, sell and original text ,work of art or design 版权
[例] China should reinforce her law to punish infringement of copyright.
copywriter (n.) person who writes copy for advertisements, etc. 广告文字撰稿人
core time (n.) period of working day when all employees must be at work 固定工作时间
[例] However, you must all be here for core time from 10 till 3.
corporate (adj.) referring to the whole company 法人组织的
[例] Corporate advertising sells the company, not its products.
correspondence (n.) communication by the exchange of letters 通信，商务信函
[例] Correspondence can be a key to success.
courier (n.) a person or an organization employed to carry important papers and packages 快递
[例] We use UPS as our courier for the shipping notice and the tracking Number is 231.
[同义词] messenger, bearer, carrier
cover (v.) pay 支付
[例] The organizers will cover some of your costs while you are on this course.
direct cost (n.) production cost of a specific product 直接成本
[例] The direct cost of this product is too high. We cannot accept it.
fixed costs (n.) costs which do not increase when production increases or decreases 固定成本
[例] Fixed cost plus variable cost equals total cost.
indirect costs (n.) costs which are not directly attached to the production of an item 间接成本
overhead costs (n. pl) day-to-day costs of running a business 营业间接成本
running costs (n. pl) costs of day-today management of a company 日常经营成本
unit cost (n.) total labour, material and overhead costs to produce one unit 单位成本
variable costs (n.) costs which increase or decrease as production changes 可变成本
cost-effective (adj.) which gives value划算的
[例] The scheme is cost-effective.
costing (n.) the calculation of costs for a project 成本核算
credentials (n.) evidence or testimonials concerning one's right to credit, confidence, or authority 证明（书）
[例] academic credentials
[同义词] certificate, diploma, licence
credit (n. & adj.) time given to a customer to pay 赊账期限
[例] We normally give 3 months’ credit.
credit control (n.) system for checking that customers pay on time 信用控制
letter of credit (n.) note from a bank allowing credit and promising to repay at a later date 信用证
credit limit (n.) maximum amount that a customer can owe 信用额度限制
credit rating (n.) amount which a credit agency thinks a company/person should be allowed to borrow 客户信贷分类
creditor (n.) person who is owed money 债权人