可引用的發言段落Citable transcript turn#274712講者:Speaker: JiaChen JiangThere’s a whole lot of companies out there talking about doing social impact, when 99 percent of their work is the other direction. 逐字稿導覽Transcript navigation查看前後文View context分享此段Share turn來源逐字稿Source record2019-02-20 JiaChen Jiang visits