competition的形容词形式以及中文意思

Are your products and services competitive? How about marketing?

你们的产品和服务有竞争力吗？营销又怎么样呢？

He did not particularly want to take up a competitive sport

他并不特别想从事竞技体育运动。

Universities are very competitive for the best students.

大学对优等生的`争夺十分激烈。

The company say they're able to keep pricing competitive

该公司说他们能够使定价保持竞争力。

Japan is a highly competitive market system

日本实行竞争激烈的市场体制。