英[ˌvɒlən\'tɪərɪzəm]
美[ˌvɑlən\'tɪərɪzəm]
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.
互联网