同义词辨析：cheap competitive budget affordable reasonable inexpensive

These words all describe a product or service that costs little money or less money than you expected. 以上各词均指产品或服务花钱少或低于预期。

costing little money or less money than you expected; charging low prices 指花钱少、便宜、收费低廉。

(of prices, goods or services) as cheap as or cheaper than those offered by other companies; able to offer goods or services at competitive prices 指价格、产品或服务收费方面具有竞争力

[only before noun] (used especially in advertising) cheap because it offers only a basic level of service （尤用于广告）指仅提供基本服务因而价格低廉

cheap enough for most people to afford 指多数人买得起或负担得来的

(of prices) not too expensive 指价格不太高、公道的

( rather formal ) cheap 指不昂贵。