Gratis

(adv.) without payment; 'I'll give you this gratis'.

编辑:帕梅拉

• Justice, however, never was in reality administered gratis in any country. 亚当·斯密. 国富论.
• You're one o' the adwice gratis order,' thought Sam, 'or you wouldn't be so wery fond o' me all at once. 查尔斯·狄更斯. 匹克威克外传.

整理:劳拉