在线零售商通常对书籍有有竞争力的价格。

Online retailers often have ___competitive prices for books.

健身房会员资格很划算，因为费用有竞争力。

The gym membership is a good deal because of the ___competitive fees.

企业需要保持有竞争力的服务以留住客户。

Businesses need to maintain ___competitive services to retain customers.