commission [ kE5miFEn ] (n.) proportionate amount of money paid to a sales person/agent, usually a percentage of the sales made佣金

[例]  We offered the agent a 10% commission.

 commitment [ kE5mitmEnt ] (n.) acceptance of values or pursuit of objectives 许诺,承担义务

[例]  We have not made any commitment in this respect.

[同义词]  pledge, engagement, promise

 commodity[ kE5mCditi ] (n.) goods sold in very large quantities, such as metals, foodstuffs商品（尤指日用品）[例]  The commodity of this food company sells very well on the market.

 commute [ kE5mju:t ] (v.) daily travel between home and office 每天乘车往返上下班

[例]  She, as a consultant, commutes from Cambridge to London every day.

 limited (liability) company (Itd.) a private company where the shareholders are responsible for repaying debts to the value of their shares有限责任公司

 public limited company (plc) company whose shares can be bought on the Stock Exchange股票上市公司

 compensate [ 5kCmpEnseit ] (v.) give something such as money to someone for loss or damage补偿

[例]  The director decided to compensate those who had been hurt in the working accident.

compensation [ kCmpen5seiFEn ] (n.) something, usually money, given to someone for loss or damage 赔偿（金）

 compete [ kEm5pi:t ] (v.) succeed in doing better than (another person/company)竞争

[例]  It’s difficult to compete with low-priced imports.

competition [ kCmpi5tiFEn ] (n.) process of trying to do better竞争

[例]  The competition is very fierce.