基本解释adj.免费的同根派生 no-cost相关词英汉例句用作形容词 (adj.)After all,there is no free lunch in this world.毕竟,天下没有免费的午餐。No one has ever given me a free ticket for anything.任何时侯都没有人给过我什么免费的票。no-cost更多例句