volunteerism

英 [,vɒlən'tɪərɪz(ə)m] 美[,vɑlən'tɪr,ɪzəm]

Through personal experience, I've learned that skills - based volunteerism is one of those double bottom - line investments.: 从个人经验来看, 我意识到以技术为基础的志愿服务是一种“双重底线”投资.