“自愿的”的英语可以翻译为：freewill，of one's own accord，[经] voluntary，unbidden，willing ...

两名男性之间发生的双方自愿的性接触可能会构成犯罪。Consensual sexual contact between two males can be a criminal activity.听这门课纯粹是自愿的。Attendance on the course is purely voluntary.甚至自愿的革新者也可能面临着资本拮据的困难.Even willing innovators may be faced with capi...