cost-free
adj. 免费的
adv. 免费地
例句
用作形容词(adj.)
- Anything free is worth what you pay for it.任何免费的东西与你所付出之物等值。
- Free operating systems could not be installed.免费的操作系统不能被安装。
用作副词(adv.)
- This ticket can entitle you to have a free meal in this hotel.这张票可以让你在这个旅馆免费地吃一顿饭。