voluntary act自愿行为
voluntaryadj.自愿的;志愿的n.(教堂礼拜仪式前后或进行期间的)乐器独奏
voluntary placement services志愿安置服务
voluntary surrender to court[法] 投案自首
Voluntary Assistance Program志愿援助规划
voluntary accounting changes自发性会计变更
voluntary acceptance of risk[法] 自愿承担风险
voluntary depreciation method任意折旧法
voluntary restraint of export自动出口配额制
voluntary migration community自发移民聚居区