基本解释adj.免費的同根派生 no-cost相关词英汉例句用作形容詞 (adj.)After all,there is no free lunch in this world.畢竟,天下沒有免費的午餐。No one has ever given me a free ticket for anything.任何時侯都沒有人給過我什麽免費的票。no-cost更多例句