competitor [ kEm5petitE ] (n.) person/company that competes竞争者

[例]  Dozens of competitors are applying for the position of sales manager.

[同义词]  rival, opponent, adversary

competitive[ kEm5petitiv ] (adj.) of a product which competes well有竞争力的

[例]  It’s important to keep a competitive edge.

[同义词]  rival, competing, vying, combative

 competitive edge (n.) advantage竞争优势

[例] We have competitive edge in this respect.

 competitiveness (n.) process of being competitive 竞争力

 competence [5kRmpEtEns] (n.) ability to do a job well, skill or efficiency能力，胜任

[例]  The promotion of an employee should be judged chiefly by his competence.

[同义词]  ability, capability

 component [ kEm5pEunEnt ]1. (n.) piece of machinery机器部件

2. (n.) part that goes into the final product产品零件

[例] This new type of machine contains many components.

[同义词]  part，replacement

 complimentary [ 7kCmpli5ment(E)ri ] (adj.) given free to repay a favor or as an act of courtesy 免费赠送的

[例]  complimentary ticket

 concentrated marketing (n.) marketing directed at one segment of the market密集性市场策略

 condition [ kEn5diFEn ] (n.) 1. general state 状态2. term of a contract 条款

 conditions (n. pl) situation状况，环境

[例]  It will probably be appropriate to start an interview with a neutral chat by asking non-controversial questions – perhaps about the weather or the traffic conditions.